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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Found: slide rule from date 199801 to date 201912

Index includes 791 messages. Sorted by date, recent messages first.

                    
Re: Pilot watch slide rulesTony Oz31 Dec 2019, 06:15
Re: Pilot watch slide rulesSean C30 Dec 2019, 23:01
Pilot watch slide rulesPaul Hirose30 Dec 2019, 21:03
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston18 Dec 2019, 03:54
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bob Goethe16 Dec 2019, 19:08
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook16 Dec 2019, 18:16
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Ed Popko16 Dec 2019, 11:40
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Gary LaPook15 Dec 2019, 19:32
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston15 Dec 2019, 17:48
Re: Starmaster slide rule on ebayGary LaPook29 Nov 2019, 04:11
Re: Starmaster slide rule on ebayPeter Monta28 Nov 2019, 23:10
Re: Starmaster slide rule on ebayJürgen Hoefeld28 Nov 2019, 21:43
Re: Starmaster slide rule on ebayFrank Reed28 Nov 2019, 18:12
Re: Starmaster slide rule on ebayAlan S28 Nov 2019, 17:28
Re: Starmaster slide rule on ebayDave Walden28 Nov 2019, 14:56
Re: Starmaster slide rule on ebayBrad Morris28 Nov 2019, 05:42
Re: Starmaster slide rule on ebayFrank Reed28 Nov 2019, 04:42
Re: Starmaster slide rule on ebayRobin Stuart28 Nov 2019, 04:25
Re: Starmaster slide rule on ebayBrad Morris28 Nov 2019, 03:37
Re: Starmaster slide rule on ebayRobert VanderPol II28 Nov 2019, 02:33
Starmaster slide rule on ebayDave Walden26 Nov 2019, 03:13
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bill Ritchie22 Nov 2019, 15:35
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Tony Oz22 Nov 2019, 09:00
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston21 Nov 2019, 21:37
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Dave Walden21 Nov 2019, 13:13
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Herman Dekker21 Nov 2019, 09:15
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S21 Nov 2019, 04:10
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S21 Nov 2019, 04:07
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Brad Morris21 Nov 2019, 02:12
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Ed Hlywa21 Nov 2019, 01:17
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Frank Reed21 Nov 2019, 00:28
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Frank Reed21 Nov 2019, 00:13
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S20 Nov 2019, 23:13
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.David Pike20 Nov 2019, 17:29
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bob Goethe20 Nov 2019, 16:15
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Frank Reed20 Nov 2019, 16:11
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S20 Nov 2019, 15:59
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Tony Oz20 Nov 2019, 15:46
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bill Ritchie20 Nov 2019, 10:49
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S20 Nov 2019, 03:44
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Herman Dekker19 Nov 2019, 03:39
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston18 Nov 2019, 20:56
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Herman Dekker16 Nov 2019, 12:08
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S16 Nov 2019, 00:33
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Hewitt Schlereth15 Nov 2019, 21:03
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Sean Johnston15 Nov 2019, 19:48
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bob Goethe14 Nov 2019, 23:00
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan Walker14 Nov 2019, 14:40
Re: Buy or build a modern Bygrave slide ruleWolfgang Hasper18 Oct 2019, 10:00
Re: Buy or build a modern Bygrave slide ruleWolfgang Hasper18 Oct 2019, 09:51
Re: Buy or build a modern Bygrave slide ruleRobin Stuart17 Oct 2019, 15:33
Re: Buy or build a modern Bygrave slide ruleRobin Stuart16 Oct 2019, 14:16
Re: Buy or build a modern Bygrave slide ruleGary LaPook16 Oct 2019, 05:36
Re: Buy or build a modern Bygrave slide ruleGary LaPook15 Oct 2019, 23:17
Re: Buy or build a modern Bygrave slide ruleBrad Morris15 Oct 2019, 20:22
Re: Buy or build a modern Bygrave slide ruleFrancis Upchurch15 Oct 2019, 18:02
Re: Buy or build a modern Bygrave slide ruleGary LaPook15 Oct 2019, 17:37
Buy or build a modern Bygrave slide ruleSeán T. Rickard15 Oct 2019, 17:05
Re: Navigator's slide ruleAlan S1 Jul 2019, 04:19
Re: Navigator's slide ruleBob Goethe24 Jun 2019, 19:09
Navigator's slide ruleAlan S24 Jun 2019, 02:48
Re: Traditional navigation by slide ruleBob Goethe21 Dec 2018, 15:48
Re: Traditional navigation by slide ruleAlan S21 Dec 2018, 05:01
Re: Traditional navigation by slide ruleGary LaPook28 Jul 2018, 23:11
Re: Traditional navigation by slide ruleAlan S26 Jul 2018, 21:20
Re: What is this Slide Rule?David C17 Jul 2018, 02:07
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 19:27
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 18:54
Re: What is this Slide Rule?Frank Reed15 Jul 2018, 18:37
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 18:19
Re: What is this Slide Rule?Noell Wilson15 Jul 2018, 14:44
Re: What is this Slide Rule?Francis Upchurch15 Jul 2018, 05:01
Re: What is this Slide Rule?Greg Rudzinski15 Jul 2018, 03:45
What is this Slide Rule?David C15 Jul 2018, 02:54
Re: Status Report on Navigator's Slide RuleSean Johnston22 Jun 2018, 20:37
Re: Status Report on Navigator's Slide RuleBob Goethe21 Jun 2018, 23:48
Re: Status Report on Navigator's Slide RuleSean Johnston21 Jun 2018, 14:53
Re: Bygrave sight reduction by slide rulePaul Hirose8 Jan 2018, 04:40
Re: Bygrave sight reduction by slide rulePaul Hirose2 Jan 2018, 22:44
Re: Traditional navigation by slide ruleAlan S31 Dec 2017, 01:00
Re: Fascinated by slide rulesAlan S22 Dec 2017, 05:19
Re: Fascinated by slide rulesRommel John Miller21 Dec 2017, 21:13
Re: Fascinated by slide rulesAlan S21 Dec 2017, 19:15
Re: Slide rule identificationAlan S16 Dec 2017, 01:02
Re: Slide rule identificationRoger W. Sinnott15 Dec 2017, 22:40
Re: Bygrave sight reduction by slide ruleGreg Rudzinski14 Dec 2017, 19:08
Bygrave sight reduction by slide rulePaul Hirose13 Dec 2017, 22:28
Re: Slide rule identificationAlan S12 Dec 2017, 19:12
Re: Slide rule identificationEd Popko12 Dec 2017, 17:31
Re: Slide rule identificationRonald van Riet12 Dec 2017, 09:18
Slide rule identificationAlan S12 Dec 2017, 04:05
Re: Astro slide rule.John A Brown10 Nov 2017, 00:39
Re: Astro slide ruleRobert VanderPol II9 Nov 2017, 20:14
Re: Astro slide ruleAlan S8 Nov 2017, 15:43
Re: Nautical Slide RuleAlan S26 Aug 2017, 23:43
Re: Lutz 252 Slide Rule for NavigationGreg Rudzinski26 Aug 2017, 01:49
Re: Nautical Slide RuleDavid Pike25 Aug 2017, 21:22
Re: Nautical Slide RuleCalvin Waterbury25 Aug 2017, 08:43
Re: Nautical Slide RuleRonald van Riet25 Aug 2017, 08:14
Re: Nautical Slide RuleDavid Pike24 Aug 2017, 20:52
Nautical Slide RuleCalvin Waterbury24 Aug 2017, 12:58
Re: Slide rule Bygrave sight reductionPaul Hirose21 Aug 2017, 23:35
Re: Lutz 252 Slide Rule for NavigationFrancis Upchurch21 Aug 2017, 13:42
Re: Lutz 252 Slide Rule for NavigationNoell Wilson21 Aug 2017, 12:50
Slide rule Bygrave sight reductionPaul Hirose21 Aug 2017, 05:14
Re: Lutz 252 Slide Rule for NavigationGreg Rudzinski21 Aug 2017, 00:17
Lutz 252 Slide Rule for NavigationGreg Rudzinski18 Aug 2017, 04:29
Re: Traditional navigation by slide ruleGreg Rudzinski22 Jun 2017, 18:21
Re: Status Report on Navigator's Slide RuleBob Goethe5 Apr 2017, 22:21
Re: Status Report on Navigator's Slide RuleBrad Morris5 Apr 2017, 21:54
Status Report on Navigator's Slide RuleBob Goethe5 Apr 2017, 16:21
360 degree Bygrave slide rule sight reductionPaul Hirose21 Feb 2017, 07:20
Re: 360 degree slide rule trigPaul Hirose10 Feb 2017, 20:30
Re: 360 degree slide rule trigPaul Hirose9 Feb 2017, 06:44
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Alan S20 Dec 2016, 03:04
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Frank Reed20 Dec 2016, 01:04
Re: Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Bob Goethe19 Dec 2016, 19:48
Bob Goethe's Mark 2 Navigators slide rule, test drive comparisons.Francis Upchurch19 Dec 2016, 12:32
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorJohn Brown6 Dec 2016, 09:08
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorFrank Reed5 Dec 2016, 19:26
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGary LaPook5 Dec 2016, 18:40
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorJohn Brown5 Dec 2016, 11:00
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGary LaPook5 Dec 2016, 09:51
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorJohn Brown2 Dec 2016, 10:40
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGary LaPook2 Dec 2016, 01:55
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorFrancis Upchurch1 Dec 2016, 19:22
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGreg Rudzinski1 Dec 2016, 18:46
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorFrank Reed1 Dec 2016, 18:31
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGreg Rudzinski1 Dec 2016, 17:35
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorRonald van Riet1 Dec 2016, 09:41
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorGreg Rudzinski30 Nov 2016, 17:07
Re: Quicker Ex-Meridian Formula for Slide Rule or CalculatorFrancis Upchurch29 Nov 2016, 19:37
Quicker Ex-Meridian Formula for Slide Rule or CalculatorGreg Rudzinski29 Nov 2016, 19:08
Re: 360 degree slide rule trigPaul Hirose28 Nov 2016, 06:04
Re: Traditional navigation by slide ruleGreg Rudzinski24 Nov 2016, 17:56
Re: Traditional navigation by slide ruleBob Goethe23 Nov 2016, 18:13
Re: Traditional navigation by slide ruleTony Oz23 Nov 2016, 16:16
360 degree slide rule trigPaul Hirose16 Nov 2016, 05:37
Re: Traditional navigation by slide ruleGary LaPook14 Nov 2016, 06:23
Re: Traditional navigation by slide ruleGary LaPook14 Nov 2016, 05:29
Re: Traditional navigation by slide ruleBob Goethe13 Nov 2016, 21:10
Re: Traditional navigation by slide rulePaul Hirose13 Nov 2016, 05:55
Re: Traditional navigation by slide ruleBob Goethe12 Nov 2016, 23:57
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 22:51
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 22:30
Re: Traditional navigation by slide ruleBrad Morris12 Nov 2016, 16:22
Re: Traditional navigation by slide ruleBob Goethe12 Nov 2016, 08:43
Re: Traditional navigation by slide ruleBob Goethe12 Nov 2016, 07:47
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 02:32
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 02:25
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 02:11
Re: Traditional navigation by slide ruleGary LaPook12 Nov 2016, 01:28
Re: Traditional navigation by slide ruleBob Goethe11 Nov 2016, 21:13
Re: Traditional navigation by slide ruleTony Oz11 Nov 2016, 18:58
Re: Traditional navigation by slide ruleBob Goethe10 Nov 2016, 21:00
Re: Traditional navigation by slide rulePaul Hirose10 Nov 2016, 06:07
Re: Traditional navigation by slide ruleAlan S9 Nov 2016, 22:55
Re: Traditional navigation by slide ruleTony Oz9 Nov 2016, 18:07
Re: Traditional navigation by slide ruleNoell Wilson9 Nov 2016, 17:39
Re: Traditional navigation by slide ruleGary LaPook8 Nov 2016, 22:24
Re: Traditional navigation by slide ruleFrancis Upchurch8 Nov 2016, 20:31
Re: Traditional navigation by slide ruleBob Goethe8 Nov 2016, 19:01
Re: Traditional navigation by slide ruleGary LaPook6 Nov 2016, 07:15
Re: Traditional navigation by slide ruleBob Goethe6 Nov 2016, 04:13
Re: Traditional navigation by slide ruleBob Goethe5 Nov 2016, 17:01
Re: Traditional navigation by slide ruleTony Oz5 Nov 2016, 00:16
Re: Traditional navigation by slide ruleBob Goethe4 Nov 2016, 06:52
Re: Rhumb line by slide ruleBob Goethe3 Nov 2016, 19:15
Rhumb line by slide rulePaul Hirose2 Nov 2016, 21:41
Re: Traditional navigation by slide ruleGary LaPook31 Oct 2016, 23:45
Re: Traditional navigation by slide ruleBob Goethe31 Oct 2016, 21:07
Re: Traditional navigation by slide ruleGary LaPook31 Oct 2016, 16:50
Re: Traditional navigation by slide ruleSean C31 Oct 2016, 14:05
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 23:04
Re: Traditional navigation by slide ruleNoell Wilson29 Oct 2016, 22:54
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 21:18
Re: Traditional navigation by slide ruleStan K29 Oct 2016, 19:31
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 18:31
Re: Traditional navigation by slide ruleStan K29 Oct 2016, 14:18
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 10:02
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 09:24
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 09:00
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 05:20
Re: Traditional navigation by slide ruleGary LaPook29 Oct 2016, 01:54
Re: Traditional navigation by slide rulePaul Hirose28 Oct 2016, 23:35
Re: Traditional navigation by slide ruleBob Goethe28 Oct 2016, 19:59
Re: Traditional navigation by slide ruleBob Goethe28 Oct 2016, 19:19
Re: Traditional navigation by slide ruleAndrew Nikitin28 Oct 2016, 18:02
Re: Traditional navigation by slide ruleGary LaPook28 Oct 2016, 17:44
Re: Traditional navigation by slide ruleBob Goethe28 Oct 2016, 17:39
Re: Traditional navigation by slide rulePaul Dolkas28 Oct 2016, 16:57
Re: Traditional navigation by slide ruleGary LaPook28 Oct 2016, 09:11
Re: Traditional navigation by slide ruleGary LaPook28 Oct 2016, 08:20
Re: Traditional navigation by slide ruleGary LaPook28 Oct 2016, 08:03
Re: Traditional navigation by slide ruleStan K27 Oct 2016, 17:30
Re: Traditional navigation by slide ruleStan K27 Oct 2016, 13:19
Re: Traditional navigation by slide ruleGary LaPook27 Oct 2016, 08:00
Re: Traditional navigation by slide ruleGary LaPook27 Oct 2016, 00:53
Re: Traditional navigation by slide ruleGary LaPook27 Oct 2016, 00:04
Re: Traditional navigation by slide ruleStan K26 Oct 2016, 20:33
Re: Traditional navigation by slide ruleGary LaPook26 Oct 2016, 18:05
Re: Traditional navigation by slide ruleBob Goethe26 Oct 2016, 16:36
Re: Traditional navigation by slide ruleBob Goethe26 Oct 2016, 16:32
Re: Traditional navigation by slide ruleTony Oz26 Oct 2016, 10:52
Re: Traditional navigation by slide ruleGary LaPook26 Oct 2016, 09:52
Re: Traditional navigation by slide ruleGary LaPook26 Oct 2016, 09:22
Re: Traditional navigation by slide ruleGary LaPook26 Oct 2016, 09:01
Re: Traditional navigation by slide ruleGary LaPook25 Oct 2016, 22:24
Re: Traditional navigation by slide rulePaul Hirose25 Oct 2016, 16:36
Re: Traditional navigation by slide ruleFrancis Upchurch20 Oct 2016, 21:11
Re: Traditional navigation by slide ruleBob Goethe20 Oct 2016, 19:37
Re: Traditional navigation by slide rulePaul Dolkas20 Oct 2016, 17:11
Re: Traditional navigation by slide ruleBob Goethe20 Oct 2016, 17:09
Re: Traditional navigation by slide ruleTony Oz20 Oct 2016, 14:09
Re: Traditional navigation by slide rulePaul Hirose20 Oct 2016, 05:00
Re: Traditional navigation by slide ruleBob Goethe19 Oct 2016, 18:38
Re: Traditional navigation by slide ruleAndrew Nikitin19 Oct 2016, 16:12
Re: Traditional navigation by slide ruleFrancis Upchurch19 Oct 2016, 09:18
Re: Traditional navigation by slide ruleBob Goethe18 Oct 2016, 23:10
Re: Traditional navigation by slide rulePaul Hirose18 Oct 2016, 22:33
Re: Traditional navigation by slide ruleBob Goethe18 Oct 2016, 21:28
Re: Traditional navigation by slide ruleBrad Morris18 Oct 2016, 20:10
Re: Traditional navigation by slide ruleBob Goethe18 Oct 2016, 16:36
Re: Traditional navigation by slide rulePaul Hirose18 Oct 2016, 08:52
Re: Traditional navigation by slide ruleBob Goethe14 Oct 2016, 21:28
Re: Traditional navigation by slide rulePaul Dolkas14 Oct 2016, 21:10
Re: Traditional navigation by slide ruleBob Goethe14 Oct 2016, 19:41
Re: Traditional navigation by slide rulePaul Hirose14 Oct 2016, 18:42
Re: Traditional navigation by slide rulePaul Dolkas14 Oct 2016, 04:51
Re: Traditional navigation by slide ruleBob Goethe13 Oct 2016, 15:22
Re: Traditional navigation by slide rulePeter Monta13 Oct 2016, 06:15
Re: Traditional navigation by slide ruleBob Goethe12 Oct 2016, 18:53
Re: Traditional navigation by slide ruleTony Oz12 Oct 2016, 17:23
Re: Traditional navigation by slide ruleTony Oz4 Oct 2016, 18:03
Re: Traditional navigation by slide ruleBob Goethe3 Oct 2016, 18:04
Re: Traditional navigation by slide ruleTony Oz3 Oct 2016, 14:06
Re: Traditional navigation by slide ruleGary LaPook27 Sep 2016, 22:06
Re: Traditional navigation by slide ruleSean C27 Sep 2016, 10:45
Re: Traditional navigation by slide ruleGary LaPook27 Sep 2016, 08:16
Re: Traditional navigation by slide rulePaul Hirose27 Sep 2016, 07:42
Re: Traditional navigation by slide ruleGary LaPook27 Sep 2016, 06:45
Re: Traditional navigation by slide ruleGary LaPook27 Sep 2016, 06:41
Re: Traditional navigation by slide ruleGreg Rudzinski26 Sep 2016, 07:17
Re: Traditional navigation by slide rulePaul Hirose26 Sep 2016, 05:09
Re: Traditional navigation by slide ruleGreg Rudzinski25 Sep 2016, 18:35
Re: Weems and Plath Celestial slide rule instructions.Ed Popko5 Sep 2016, 09:50
Weems and Plath Celestial slide rule instructions.Francis Upchurch5 Sep 2016, 08:10
Re: Slide rule for lunars?Wolfgang Köberer8 Apr 2016, 14:38
Re: Slide rule for lunars?Francis Upchurch5 Apr 2016, 06:04
Re: Slide rule for lunars?Wolfgang Köberer5 Apr 2016, 05:18
Re: Slide rule for lunars?Gary LaPook4 Apr 2016, 14:58
Re: Slide rule for lunars?Francis Upchurch4 Apr 2016, 05:46
Re: Slide rule for lunars?Herbert Prinz4 Apr 2016, 00:25
Re: Slide rule for lunars?Frank Reed3 Apr 2016, 22:24
Re: Slide rule for lunars?Frank Reed3 Apr 2016, 22:07
Slide rule for lunars?Gary LaPook3 Apr 2016, 21:12
Re: Traditional navigation by slide ruleBrad Morris25 Feb 2016, 07:57
Re: Traditional navigation by slide ruleFrancis Upchurch25 Feb 2016, 05:44
Re: Traditional navigation by slide ruleHewitt Schlereth24 Feb 2016, 22:02
Re: Traditional navigation by slide ruleFrancis Upchurch24 Feb 2016, 12:10
Re: Traditional navigation by slide ruleAlan S22 Feb 2016, 23:45
Re: Traditional navigation by slide ruleHewitt Schlereth22 Feb 2016, 18:22
Re: Traditional navigation by slide ruleBrad Morris22 Feb 2016, 07:33
Re: Traditional navigation by slide ruleFrancis Upchurch22 Feb 2016, 06:34
Re: Traditional navigation by slide ruleBob Goethe25 Jan 2016, 05:20
Re: Traditional navigation by slide ruleBill Noyce25 Jan 2016, 01:16
Re: Cryptic Slide Rule FormulaeBill Noyce25 Jan 2016, 01:07
Re: Traditional navigation by slide rulePaul Hirose23 Jan 2016, 01:47
Re: Traditional navigation by slide ruleÖrjan Sandström23 Jan 2016, 00:27
Re: Traditional navigation by slide ruleFrancis Upchurch22 Jan 2016, 19:25
Re: Traditional navigation by slide ruleJohn Brown22 Jan 2016, 14:50
Re: Traditional navigation by slide ruleJohn Brown22 Jan 2016, 10:07
Re: Traditional navigation by slide ruleBrad Morris22 Jan 2016, 09:33
Re: Traditional navigation by slide ruleSean C22 Jan 2016, 06:30
Re: Traditional navigation by slide ruleDave Walden22 Jan 2016, 05:37
Re: Traditional navigation by slide ruleFrancis Upchurch22 Jan 2016, 04:53
Re: Traditional navigation by slide ruleGary LaPook22 Jan 2016, 04:23
Re: Traditional navigation by slide ruleHewitt Schlereth21 Jan 2016, 21:23
Re: Traditional navigation by slide ruleBob Goethe21 Jan 2016, 19:21
Re: Cryptic Slide Rule FormulaeGreg Rudzinski21 Jan 2016, 14:16
Re: Traditional navigation by slide ruleGary LaPook21 Jan 2016, 12:23
Re: Traditional navigation by slide ruleFrancis Upchurch21 Jan 2016, 07:02
Re: Traditional navigation by slide ruleGary LaPook21 Jan 2016, 06:15
Re: Traditional navigation by slide rulePaul Hirose21 Jan 2016, 04:41
Re: Traditional navigation by slide ruleHewitt Schlereth21 Jan 2016, 01:21
Re: Traditional navigation by slide ruleBob Goethe20 Jan 2016, 21:42
Re: Cryptic Slide Rule FormulaeFrank Reed20 Jan 2016, 21:40
Re: Traditional navigation by slide ruleGary LaPook20 Jan 2016, 21:39
Re: Cryptic Slide Rule FormulaeGary LaPook20 Jan 2016, 21:32
Re: Traditional navigation by slide ruleJohn Brown20 Jan 2016, 21:08
Cryptic Slide Rule FormulaeJim Rives20 Jan 2016, 20:58
Re: Traditional navigation by slide ruleBrad Morris20 Jan 2016, 20:56
Re: Traditional navigation by slide ruleGreg Rudzinski20 Jan 2016, 20:30
Re: Traditional navigation by slide ruleFrancis Upchurch20 Jan 2016, 20:08
Re: Traditional navigation by slide ruleRommel John Miller20 Jan 2016, 20:03
Re: Traditional navigation by slide ruleBob Goethe20 Jan 2016, 19:56
Re: Traditional navigation by slide ruleGary LaPook20 Jan 2016, 19:28
Re: Traditional navigation by slide ruleBrad Morris20 Jan 2016, 19:06
Re: Traditional navigation by slide ruleBob Goethe20 Jan 2016, 18:51
Re: Traditional navigation by slide ruleBrad Morris20 Jan 2016, 15:52
Re: Traditional navigation by slide ruleJohn Brown20 Jan 2016, 11:40
Re: Traditional navigation by slide ruleGary LaPook20 Jan 2016, 00:40
Re: Traditional navigation by slide ruleGary LaPook19 Jan 2016, 21:35
Re: Traditional navigation by slide ruleGary LaPook19 Jan 2016, 21:05
Re: Traditional navigation by slide ruleFrancis Upchurch17 Jan 2016, 19:42
Re: Traditional navigation by slide ruleTom Sult17 Jan 2016, 17:46
Re: Traditional navigation by slide ruleTom Sult17 Jan 2016, 17:46
Re: Traditional navigation by slide ruleNoell Wilson17 Jan 2016, 17:04
Re: Traditional navigation by slide ruleFrancis Upchurch17 Jan 2016, 06:14
Re: Traditional navigation by slide ruleGary LaPook17 Jan 2016, 00:07
Re: Traditional navigation by slide ruleFrank Reed16 Jan 2016, 23:22
Re: Traditional navigation by slide ruleTom Sult16 Jan 2016, 21:45
Re: Traditional navigation by slide ruleBrad Morris16 Jan 2016, 21:19
Re: Traditional navigation by slide ruleFrancis Upchurch16 Jan 2016, 15:35
Re: Traditional navigation by slide ruleGary LaPook13 Jan 2016, 08:51
Re: Traditional navigation by slide ruleFrancis Upchurch13 Jan 2016, 03:56
Re: Traditional navigation by slide rule (correction)Gary LaPook12 Jan 2016, 22:12
Re: Traditional navigation by slide rule (correction)Gary LaPook12 Jan 2016, 21:40
Re: Traditional navigation by slide ruleBob Goethe12 Jan 2016, 16:36
Re: Traditional navigation by slide ruleGary LaPook12 Jan 2016, 08:14
Re: Traditional navigation by slide rule (correction)Paul Dolkas12 Jan 2016, 05:54
Re: Traditional navigation by slide rulePaul Dolkas12 Jan 2016, 05:43
Re: Traditional navigation by slide ruleAlan S12 Jan 2016, 03:50
Re: Traditional navigation by slide ruleEd Popko11 Jan 2016, 23:30
Re: Traditional navigation by slide ruleGary LaPook11 Jan 2016, 22:50
Re: Traditional navigation by slide ruleStan K11 Jan 2016, 21:16
Re: Traditional navigation by slide ruleGary LaPook11 Jan 2016, 20:41
Re: Traditional navigation by slide ruleAlan S11 Jan 2016, 19:36
Re: Traditional navigation by slide ruleRon Jones11 Jan 2016, 18:24
Re: Traditional navigation by slide ruleStan K11 Jan 2016, 16:32
Re: Traditional navigation by slide ruleGary LaPook11 Jan 2016, 05:54
Re: Traditional navigation by slide rule (correction)Lu Abel11 Jan 2016, 00:57
Re: Traditional navigation by slide rule (correction)Bob Goethe11 Jan 2016, 00:20
Re: Traditional navigation by slide rule (correction)Gary LaPook10 Jan 2016, 20:50
Re: Traditional navigation by slide ruleGary LaPook10 Jan 2016, 20:35
Re: Traditional navigation by slide ruleDavid Pike9 Jan 2016, 21:20
Re: Traditional navigation by slide ruleBob Goethe9 Jan 2016, 17:55
Re: Traditional navigation by slide rulePaul Hirose9 Jan 2016, 06:31
Re: Traditional navigation by slide ruleStan K7 Jan 2016, 22:30
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionBob Goethe7 Jan 2016, 22:26
Re: Traditional navigation by slide ruleGary LaPook7 Jan 2016, 18:59
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch7 Jan 2016, 17:33
Re: Traditional navigation by slide ruleBob Goethe7 Jan 2016, 16:56
Re: Traditional navigation by slide ruleHewitt Schlereth7 Jan 2016, 16:39
Re: Traditional navigation by slide ruleJohn Brown7 Jan 2016, 11:42
Re: Traditional navigation by slide ruleFrancis Upchurch7 Jan 2016, 11:02
Re: Traditional navigation by slide ruleDavid Pike7 Jan 2016, 10:54
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionSean C7 Jan 2016, 09:47
Re: Traditional navigation by slide ruleRommel John Miller7 Jan 2016, 02:57
Re: Traditional navigation by slide ruleGary LaPook7 Jan 2016, 02:42
Re: Traditional navigation by slide ruleMark Coady7 Jan 2016, 02:31
Re: Traditional navigation by slide ruleNoell Wilson7 Jan 2016, 02:18
Re: Traditional navigation by slide ruleRobert VanderPol II7 Jan 2016, 01:35
Re: Traditional navigation by slide ruleRobert VanderPol II7 Jan 2016, 01:25
Re: Traditional navigation by slide ruleDavid Pike6 Jan 2016, 22:07
Re: Traditional navigation by slide ruleDavid Pike6 Jan 2016, 20:38
Re: Traditional navigation by slide ruleGary LaPook6 Jan 2016, 19:43
Re: Traditional navigation by slide ruleGreg Rudzinski6 Jan 2016, 18:24
Traditional navigation by slide ruleBob Goethe5 Jan 2016, 23:58
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionMark Coady5 Jan 2016, 16:04
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionPaul Dolkas5 Jan 2016, 05:43
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth5 Jan 2016, 02:57
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch5 Jan 2016, 02:53
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch5 Jan 2016, 02:38
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionDerrick Young5 Jan 2016, 02:26
Calculator v. Slide Rule for Great Circle DistanceGreg Rudzinski5 Jan 2016, 01:11
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionTom Sult5 Jan 2016, 00:57
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth4 Jan 2016, 23:05
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionBob Goethe4 Jan 2016, 22:59
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionDavid Pike4 Jan 2016, 17:18
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGary LaPook4 Jan 2016, 06:31
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch4 Jan 2016, 06:19
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionBrad Morris4 Jan 2016, 05:46
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionStan K4 Jan 2016, 02:22
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionStan K4 Jan 2016, 02:18
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski4 Jan 2016, 01:53
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski4 Jan 2016, 01:42
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionPaul Dolkas3 Jan 2016, 23:58
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionAlan S3 Jan 2016, 23:48
Re: Calculator v. Slide Rule for Ex-MeridianCorrectionAlexandre Eremenko3 Jan 2016, 22:43
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth3 Jan 2016, 22:43
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionNorm Goldblatt3 Jan 2016, 22:11
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionRommel John Miller3 Jan 2016, 21:34
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrank Reed3 Jan 2016, 20:08
Re: Calculator v. Slide Rule for Ex-MeridianCorrectionAlexandre Eremenko3 Jan 2016, 17:19
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionBrad Morris3 Jan 2016, 16:25
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionEd Popko3 Jan 2016, 15:58
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch3 Jan 2016, 04:29
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionAlexandre Eremenko2 Jan 2016, 20:58
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski2 Jan 2016, 20:23
Re: Calculator v. Slide Rule for Ex-MeridianCorrectionGary LaPook2 Jan 2016, 19:16
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGary LaPook2 Jan 2016, 18:38
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth2 Jan 2016, 17:45
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionDavid Pike1 Jan 2016, 21:21
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch1 Jan 2016, 19:02
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski1 Jan 2016, 16:55
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionFrancis Upchurch1 Jan 2016, 08:57
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionHewitt Schlereth1 Jan 2016, 03:34
Re: Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski31 Dec 2015, 20:15
Calculator v. Slide Rule for Ex-Meridian CorrectionGreg Rudzinski31 Dec 2015, 19:15
Brown-Nassau graphical slide rule, improved accuracyFrancis Upchurch19 Nov 2015, 11:34
Re: Brown-Nassau slide rule for clearing lunarsFrancis Upchurch28 Oct 2015, 08:48
Re: Brown-Nassau slide rule for clearing lunarsFrank Reed28 Oct 2015, 08:12
Brown-Nassau slide rule for clearing lunarsFrancis Upchurch28 Oct 2015, 07:48
Re: MHR1 cylindrical slide rule on ebayBrad Morris24 Aug 2015, 21:27
MHR1 cylindrical slide rule on ebayFrank Reed24 Aug 2015, 19:52
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski9 Jul 2015, 02:39
Re: Bygrave formula accuracy on 10 inch slide ruleRobert Bernecky9 Jul 2015, 00:28
Re: Bygrave formula accuracy on 10 inch slide ruleRon Jones8 Jul 2015, 20:48
Re: Bygrave formula accuracy on 10 inch slide ruleHewitt Schlereth8 Jul 2015, 17:07
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski8 Jul 2015, 15:58
Re: Bygrave formula accuracy on 10 inch slide ruleFrancis Upchurch8 Jul 2015, 06:54
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski8 Jul 2015, 00:55
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski7 Jul 2015, 20:02
Re: Bygrave formula accuracy on 10 inch slide rulePaul Hirose7 Jul 2015, 06:22
Re: Bygrave formula accuracy on 10 inch slide ruleFrancis Upchurch7 Jul 2015, 05:45
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski6 Jul 2015, 17:29
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski6 Jul 2015, 16:02
Re: Bygrave formula accuracy on 10 inch slide ruleFrancis Upchurch6 Jul 2015, 10:02
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski6 Jul 2015, 01:49
Re: Historical math and astronomy tables,LOCOMAT,7-placecylindricalslide ruleGary LaPook16 Jun 2015, 09:51
Re: Historical math andastronomytables,LOCOMAT,7-placecylindricalslide ruleGary LaPook16 Jun 2015, 09:42
Re: Historical math and astronomytables,LOCOMAT,7-placecylindricalslide ruleGary LaPook16 Jun 2015, 09:39
Re: Historical math and astronomy tables,LOCOMAT,7-placecylindricalslide ruleGary LaPook16 Jun 2015, 09:14
Re: Historical math and astronomy tables, LOCOMAT, 7-placecylindricalslide ruleGary LaPook16 Jun 2015, 08:58
Re: Historical math and astronomy tables,LOCOMAT,7-place cylindricalslide ruleGary LaPook16 Jun 2015, 08:21
Re: Historical math and astronomy tables,LOCOMAT,7-placecylindricalslide ruleNorm Goldblatt16 Jun 2015, 02:52
Re: Historical math and astronomy tables, LOCOMAT,7-place cylindricalslide rulePeter Monta15 Jun 2015, 23:24
Re: Historical math and astronomy tables, LOCOMAT,7-placecylindricalslide ruleGreg Rudzinski15 Jun 2015, 20:43
Re: Historical math and astronomy tables, LOCOMAT, 7-placecylindricalslide ruleNorm Goldblatt15 Jun 2015, 20:14
Re: Historical math and astronomy tables, LOCOMAT, 7-place cylindricalslide ruleBruce J. Pennino15 Jun 2015, 13:31
Historical math and astronomy tables, LOCOMAT, 7-place cylindricalslide rulePeter Monta15 Jun 2015, 10:06
Re: Slide rules and cel navHanno Ix27 Mar 2015, 02:10
Re: Slide rules and cel navMike Burkes26 Mar 2015, 19:45
Re: Slide rules and cel navGary LaPook23 Mar 2015, 22:41
Re: Slide rules and cel navNorm Goldblatt23 Mar 2015, 19:54
Re: Slide rules and cel navUNK23 Mar 2015, 18:21
Re: Slide rules and cel navBob Goethe23 Mar 2015, 17:11
Slide rules and cel navAlan S22 Mar 2015, 23:43
Re: Astro slide ruleDavid Pike3 Dec 2014, 23:47
Re: Astro slide rulePaul Saffo3 Dec 2014, 22:13
Re: Astro slide ruleDavid Pike3 Dec 2014, 10:02
Re: Astro slide ruleDavid Pike3 Dec 2014, 09:55
Astro slide ruleNorm Goldblatt3 Dec 2014, 05:31
Re: LOP reductions and lunar clearance methods. A fewcomparisonsusinglong hand and slide rulesFrank Reed4 Jul 2014, 17:41
Re: LOP reductions and lunar clearance methods. A few comparisonsusinglong hand and slide rulesGreg Rudzinski3 Jul 2014, 16:39
Re: LOP reductions and lunar clearance methods. A fewcomparisonsusinglong hand and slide rulesFrank Reed3 Jul 2014, 15:18
Re: LOP reductions and lunar clearance methods. A few comparisonsusinglong hand and slide rulesFrancis Upchurch3 Jul 2014, 14:13
LOP reductions and lunar clearance methods. A few comparisons usinglong hand and slide rulesFrancis Upchurch3 Jul 2014, 13:58
Cylindrical slide rule pricesAlan S27 Jun 2014, 19:25
Bygrave slide rule, a compendium of postsGary LaPook4 Mar 2014, 21:32
Re: Using a slide rule for celnavSean C22 Jan 2014, 21:56
Re: Using a slide rule for celnavGary LaPook22 Jan 2014, 11:05
Re: Using a slide rule for celnavFrank Reed22 Jan 2014, 04:09
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 08:19
Re: Using a slide rule for celnavFrancis Upchurch21 Jan 2014, 07:21
Re: Using a slide rule for celnavHewitt Schlereth21 Jan 2014, 02:49
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 01:44
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 00:58
Re: Using a slide rule for celnavBrad Morris21 Jan 2014, 00:36
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 00:07
Re: Using a slide rule for celnavGary LaPook21 Jan 2014, 00:01
Re: Using a slide rule for celnavGreg Licfi20 Jan 2014, 23:57
Re: Using a slide rule for celnavBrad Morris20 Jan 2014, 23:23
Re: Using a slide rule for celnavGreg Licfi20 Jan 2014, 15:35
Re: Using a slide rule for celnavGary LaPook20 Jan 2014, 09:12
Re: Using a slide rule for celnavGary LaPook20 Jan 2014, 09:03
Using a slide rule for celnavDavid Cortes20 Jan 2014, 06:20
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 08:26
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 06:57
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 06:00
All Bygrave slide rule postsFrank Reed5 Jan 2014, 07:27
Re: Fuller Cylindrical Slide RulesFrancis Upchurch11 Nov 2013, 06:07
Re: Fuller Cylindrical Slide RulesNorm Goldblatt8 Nov 2013, 01:44
Fuller Cylindrical Slide RulesBrad Morris7 Nov 2013, 19:32
Re: Slide rules in moviesGary LaPook16 Jul 2013, 09:11
Re: Slide rules in moviesAlan S16 Jul 2013, 02:57
Re: Slide rules in moviesNorm Goldblatt15 Jul 2013, 23:36
Re: Slide rules in moviesRommel John Miller15 Jul 2013, 22:45
Re: Slide rules in moviesFrank Reed15 Jul 2013, 22:28
Re: Slide rules in moviesAndrew Nikitin15 Jul 2013, 21:56
Slide rules in moviesFrank Reed15 Jul 2013, 19:51
Re: Shooting Mercury, Slide ruleHewitt Schlereth2 Jun 2013, 01:19
Re: Shooting Mercury, Slide ruleGreg Rudzinski31 May 2013, 18:07
Re: Shooting Mercury, Slide ruleHewitt Schlereth31 May 2013, 17:15
Re: Shooting Mercury, Slide ruleHanno Ix31 May 2013, 15:58
Re: Slide rule choice, had been Shooting MercuryGary LaPook31 May 2013, 06:21
Re: Slide rule choice, had been Shooting MercuryGary LaPook31 May 2013, 06:00
Re: Shooting Mercury, Slide ruleHanno Ix31 May 2013, 04:17
Re: Speaking of slide rulesBrian Killian3 Apr 2013, 08:37
Re: Speaking of slide rulesAlan S1 Apr 2013, 03:44
Re: Speaking of slide rulesNorm Goldblatt1 Apr 2013, 03:40
Re: Speaking of slide rulesAlan S1 Apr 2013, 03:25
Re: Speaking of slide rulesPaul Hirose31 Mar 2013, 22:58
Re: Speaking of slide rulesGreg Rudzinski31 Mar 2013, 21:32
Re: Speaking of slide rulesAlan S31 Mar 2013, 20:45
Re: Speaking of slide rulesAlan S31 Mar 2013, 20:16
Re: Speaking of slide rulesGreg Rudzinski31 Mar 2013, 18:41
Re: Speaking of slide rulesNorm Goldblatt31 Mar 2013, 18:28
Speaking of slide rulesAlan S31 Mar 2013, 18:18
Re: Twilight Star Ex-meridian by Slide RuleDoug MacPherson22 Dec 2012, 02:41
Twilight Star Ex-meridian by Slide RuleGreg Rudzinski22 Dec 2012, 02:19
Re: Longitude by Time Sight Using a Slide RuleHewitt Schlereth17 Dec 2012, 19:44
Re: Longitude by Time Sight Using a Slide RuleHewitt Schlereth17 Dec 2012, 06:08
Re: Longitude by Time Sight Using a Slide RuleGary LaPook17 Dec 2012, 05:24
Re: Longitude by Time Sight Using a Slide RuleDave Walden17 Dec 2012, 03:26
Re: Longitude by Time Sight Using a Slide RuleHewitt Schlereth17 Dec 2012, 01:09
Re: Longitude by Time Sight Using a Slide RuleGreg Rudzinski16 Dec 2012, 21:15
Re: Longitude by Time Sight Using a Slide RuleLu Abel16 Dec 2012, 20:18
Re: Longitude by Time Sight Using a Slide RuleHewitt Schlereth16 Dec 2012, 19:58
Re: Longitude by Time Sight Using a Slide RuleGreg Rudzinski16 Dec 2012, 19:30
Re: Longitude by Time Sight Using a Slide RuleHewitt Schlereth16 Dec 2012, 18:46
Re: Longitude by Time Sight Using a Slide RuleGreg Rudzinski16 Dec 2012, 04:07
Re: Longitude by Time Sight Using a Slide RuleGreg Rudzinski14 Dec 2012, 18:18
Longitude by Time Sight Using a Slide RuleGreg Rudzinski14 Dec 2012, 17:03
5x Ocular and Slide RuleGreg Rudzinski16 Oct 2012, 16:27
Re: recommendation for slide rule ? BygraveAlan S23 May 2012, 22:16
Re: recommendation for slide rule ? BygraveHewitt Schlereth23 May 2012, 20:01
Re: recommendation for slide rule ? BygraveGreg Rudzinski22 May 2012, 22:03
Re: recommendation for slide rule ? BygraveAlan S22 May 2012, 21:39
Re: slide rule sight reduction accuracyPaul Hirose17 Apr 2012, 05:23
Re: slide rule sight reduction accuracyGary LaPook8 Apr 2012, 21:27
Re: slide rule sight reduction accuracyGary LaPook8 Apr 2012, 21:18
Slide rule sight reduction accuracyPaul Hirose8 Apr 2012, 20:51
Example Ex-Meridian using Slide RuleGreg Rudzinski8 Mar 2012, 21:10
Re: In Flight CN Using 10" Slide RuleGreg Rudzinski24 Dec 2011, 21:34
Re: In Flight CN Using 10" Slide RuleGreg Rudzinski24 Dec 2011, 21:27
In Flight CN Using 10" Slide RuleGreg Rudzinski22 Dec 2011, 21:15
Re: on Bygrave and or cylindrical slide rulesRonald van Riet20 Dec 2011, 13:35
Re cylindrical slide rulesAlan S19 Dec 2011, 19:03
On Bygrave and or cylindrical slide rulesAlan S19 Dec 2011, 18:59
Re: re recent posts on the slide ruleAlan S6 Dec 2011, 19:52
Re: re recent posts on the slide ruleGeorge Brandenburg6 Dec 2011, 19:06
Re: re recent posts on the slide ruleGary LaPook5 Dec 2011, 23:13
Re recent posts on the slide ruleAlan S5 Dec 2011, 22:19
Re: Selection of slide rules, compendium of messagesGary LaPook26 Nov 2011, 08:53
Re: Selection of slide rules, compendium of messagesGary LaPook26 Nov 2011, 08:44
Re: Selection of slide rules, compendium of messagesGary LaPook26 Nov 2011, 07:49
Re: recommendation for slide rule ?Gary LaPook26 Nov 2011, 05:10
Re: recommendation for slide rule ?Jaap vd Heide25 Nov 2011, 13:14
Re: recommendation for slide rule ?Alan S25 Nov 2011, 05:03
MHR1 Cylindrical Slide RuleJohn Brown24 Nov 2011, 23:02
Re: Selection of slide rules, compendium of messagesGary LaPook24 Nov 2011, 21:21
Re: Selection of slide rules, compendium of messagesDave Walden24 Nov 2011, 13:40
Selection of slide rules, compendium of messagesGary LaPook24 Nov 2011, 06:36
Re: recommendation for slide rule ?Greg R_24 Nov 2011, 03:47
Re: recommendation for slide rule ?Lu Abel24 Nov 2011, 02:24
Re: recommendation for slide rule ?Lu Abel24 Nov 2011, 02:07
Re: recommendation for slide rule ?Paul Saffo24 Nov 2011, 01:46
Re: recommendation for slide rule ?Lu Abel24 Nov 2011, 01:34
Re: recommendation for slide rule ?Greg Rudzinski23 Nov 2011, 23:07
Re: recommendation for slide rule ?Greg Rudzinski23 Nov 2011, 21:00
Re: recommendation for slide rule ?Peter Hakel23 Nov 2011, 20:53
Re: recommendation for slide rule ?Michael Dorl23 Nov 2011, 20:41
Re: recommendation for slide rule ?Patrick Goold23 Nov 2011, 19:57
Re: recommendation for slide rule ?Greg R_23 Nov 2011, 19:08
Re: recommendation for slide rule ?Randall Morrow23 Nov 2011, 18:59
Re: recommendation for slide rule ?Alan S23 Nov 2011, 18:51
Bygrave slide ruleSteve Whiteside17 Nov 2010, 23:12
Re: Self contained long term celnav with Bygrave slide ruleGary LaPook5 Oct 2010, 09:38
Re: New compact backup CELNAV system RENAMED Accuracy ofBygrave Slide RuleGary LaPook4 Oct 2010, 20:16
Re: Self contained long term celnav with Bygrave slide ruleAntoine Couëtte2 Oct 2010, 13:38
Self contained long term celnav with Bygrave slide ruleGary LaPook2 Oct 2010, 08:17
Re: slide rule tubes now availableWolfgang Hasper12 Sep 2010, 19:39
Re: slide rule tubes now availableTom Sult7 Sep 2010, 19:21
Re: slide rule tubes now availableAry Bovenkerk6 Sep 2010, 22:13
Re: slide rulePaul Hirose27 Apr 2010, 18:43
Re: slide ruleGary LaPook26 Apr 2010, 21:03
Re: slide ruleGary LaPook26 Apr 2010, 21:01
Re: slide ruleGreg Rudzinski26 Apr 2010, 19:43
Re: slide ruleHewitt Schlereth26 Apr 2010, 18:06
Slide ruleNial McInerney26 Apr 2010, 17:37
Slide rule tubes now availableWolfgang Hasper22 Mar 2010, 20:55
Re: Cylindrical Slide Rule tube pollHein Bodahl14 Feb 2010, 15:12
Re: Cylindrical Slide Rule tube pollHein Bodahl5 Feb 2010, 12:24
Re: Cylindrical Slide Rule tube pollWolfgang Hasper3 Feb 2010, 20:55
Re: Cylindrical Slide Rule tube pollWolfgang Hasper2 Feb 2010, 21:16
Re: Cylindrical Slide Rule tube pollWolfgang Hasper2 Feb 2010, 20:42
Re: Cylindrical Slide Rule / tube lengthsHanno Ix31 Jan 2010, 18:39
Re: Cylindrical Slide Rule / tube lengthsWolfgang Hasper31 Jan 2010, 10:37
Fw: Cylindrical Slide Rule / check - part 2Hanno Ix31 Jan 2010, 05:17
Re: Cylindrical Slide Rule / tube lengthsTom Sult30 Jan 2010, 18:43
Re: Cylindrical Slide Rule tube pollWolfgang Hasper30 Jan 2010, 13:07
Re: Cylindrical Slide Rule tube pollGary LaPook30 Jan 2010, 07:54
Re: Cylindrical Slide Rule / tube lengthsGary LaPook30 Jan 2010, 07:48
Re: Cylindrical Slide Rule tube pollRichard M Pisko30 Jan 2010, 06:49
Re: Cylindrical Slide Rule / tube lengthsHanno Ix29 Jan 2010, 02:22
Re: Cylindrical Slide Rule / tube lengthsGary LaPook28 Jan 2010, 09:52
Cylindrical Slide Rule / tube lengthsWolfgang Hasper27 Jan 2010, 20:37
Cylindrical Slide Rule / checkHanno Ix27 Jan 2010, 01:21
Re: Cylindrical Slide Rule tube pollHein Bodahl26 Jan 2010, 10:57
Re: Cylindrical Slide Rule tube pollGary LaPook26 Jan 2010, 05:32
Re: Cylindrical Slide Rule tube pollTom Sult26 Jan 2010, 02:12
Re: Cylindrical Slide Rule tube pollHanno Ix26 Jan 2010, 02:04
Re: Cylindrical Slide Rule tube pollPhilip Lange26 Jan 2010, 01:20
Re: Cylindrical Slide Rule tube pollPeter Hakel25 Jan 2010, 23:47
Re: Cylindrical Slide Rule tube pollDouglas Denny25 Jan 2010, 23:00
Re: Cylindrical Slide Rule tube pollWolfgang Hasper25 Jan 2010, 19:55
Re: Cylindrical Slide Rule tube pollBill Morris25 Jan 2010, 19:13
Re: Cylindrical Slide Rule tube pollHein Bodahl25 Jan 2010, 10:54
Re: Cylindrical Slide Rule tube pollWolfgang Hasper25 Jan 2010, 08:52
Re: Cylindrical Slide Rule tube pollHanno Ix24 Jan 2010, 22:32
Re: Cylindrical Slide Rule tube pollGary LaPook24 Jan 2010, 20:35
Re: Cylindrical Slide Rule tube pollRichard M Pisko24 Jan 2010, 20:13
Re: Cylindrical Slide Rule tube pollHein Bodahl24 Jan 2010, 18:08
Re: Cylindrical Slide Rule tube pollWolfgang Hasper23 Jan 2010, 21:14
Re: Cylindrical Slide Rule tube pollGary LaPook23 Jan 2010, 05:56
Re: Cylindrical Slide Rule tube pollGary LaPook23 Jan 2010, 05:32
Re: Cylindrical Slide Rule tube pollRichard M Pisko23 Jan 2010, 05:04
Re: Cylindrical Slide Rule tube pollRichard M Pisko23 Jan 2010, 05:04
Re: Cylindrical Slide Rule tube pollGary LaPook22 Jan 2010, 21:07
Re: Cylindrical Slide Rule tube pollHanno Ix22 Jan 2010, 17:11
Re: Cylindrical Slide Rule tube pollGary LaPook22 Jan 2010, 07:09
Re: Cylindrical Slide Rule tube pollGary LaPook21 Jan 2010, 12:01
Re: Cylindrical Slide Rule tube pollGary LaPook21 Jan 2010, 11:52
Re: Cylindrical Slide Rule tube pollRonald van Riet21 Jan 2010, 07:58
Re: Cylindrical Slide Rule tube pollHein Bodahl20 Jan 2010, 13:08
Re: Cylindrical Slide Rule tube pollWolfgang Hasper20 Jan 2010, 09:48
Re: Cylindrical Slide Rule tube pollDouglas Denny20 Jan 2010, 09:07
Re: Cylindrical Slide Rule tube pollDouglas Denny20 Jan 2010, 08:57
Re: Cylindrical Slide Rule tube pollRichard M Pisko20 Jan 2010, 05:38
Re: Cylindrical Slide Rule tube pollRobert Stacy19 Jan 2010, 22:43
Re: Cylindrical Slide Rule tube pollDouglas Denny19 Jan 2010, 21:50
Re: Cylindrical Slide Rule tube pollBrad Morris19 Jan 2010, 21:30
Re: Cylindrical Slide Rule tube pollWolfgang Hasper19 Jan 2010, 20:36
Re: Cylindrical Slide Rule tube pollBill Morris19 Jan 2010, 06:22
Re: Cylindrical Slide Rule tube pollR W Lowry19 Jan 2010, 02:23
Re: Cylindrical Slide Rule tube pollTom Sult18 Jan 2010, 22:53
Re: Cylindrical Slide Rule tube pollDerrick Young18 Jan 2010, 22:25
Cylindrical Slide Rule tube pollWolfgang Hasper18 Jan 2010, 19:03
Re: Poor Line of Position Computer/popularity of slide rulesight reductionGary LaPook16 Jan 2010, 09:54
Re: Poor Line of Position Computer/popularity of slide rulesight reductionGary LaPook16 Jan 2010, 09:47
Re: Poor Line of Position Computer/popularity of slide rulesight reductionDave Walden16 Jan 2010, 01:44
Re: Poor Line of Position Computer/popularity of slide rulesight reductionDave Walden15 Jan 2010, 23:33
Re: Poor Line of Position Computer/popularity of slide rulesight reductionChuck Griffiths15 Jan 2010, 19:06
Re: Poor Line of Position Computer/popularity of slide rulesight reductionGary LaPook15 Jan 2010, 18:18
Re: Poor Line of Position Computer/popularity ofslide rule sight reductionBrad Morris15 Jan 2010, 13:54
Re: Poor Line of Position Computer/popularity of slide rulesight reductionGary LaPook14 Jan 2010, 18:52
Re: Poor Line of Position Computer/popularity of slide rulesight reductionChuck Griffiths14 Jan 2010, 16:20
Re: Poor Line of Position Computer/popularity ofslide rule sight reductionBrad Morris14 Jan 2010, 15:27
Re: Poor Line of Position Computer/popularity of slide rulesight reductionChuck Griffiths14 Jan 2010, 14:52
Re: slide rule sight reduction accuracyGary LaPook14 Aug 2009, 00:47
Re: slide rule sight reduction accuracyHein Bodahl13 Aug 2009, 10:40
Re: Bygrave formula accuracy on 10 inch slide ruleHanno Ix8 Jul 2009, 17:05
Re: Bygrave formula accuracy on 10 inch slide ruleGary LaPook8 Jul 2009, 05:06
Bygrave formula accuracy on 10 inch slide rulePaul Hirose6 Jul 2009, 22:19
Re: Magnifiers for K&E slide rulesHewitt Schlereth1 Jul 2009, 17:03
Re: Magnifiers for K&E slide rulesGreg Rudzinski1 Jul 2009, 16:35
Re: Magnifiers for K&E slide rulesHewitt Schlereth1 Jul 2009, 15:50
Re: Magnifiers for K&E slide rulesGary LaPook1 Jul 2009, 15:47
Magnifiers for K&E slide rulesHewitt Schlereth1 Jul 2009, 11:55
Re: slide rule sight reduction accuracyPaul Hirose20 Jun 2009, 02:07
Re: slide rule sight reduction accuracyGary LaPook19 Jun 2009, 23:25
Re: slide rule sight reduction accuracyGary LaPook19 Jun 2009, 20:32
Re: slide rule sight reduction accuracyBrad Morris19 Jun 2009, 12:53
Re: slide rule sight reduction accuracyGary LaPook19 Jun 2009, 11:05
Re: slide rule sight reduction accuracyGary LaPook19 Jun 2009, 10:50
Re: slide rule sight reduction accuracyGary LaPook18 Jun 2009, 10:07
Re: slide rule sight reduction accuracyGary LaPook18 Jun 2009, 10:04
Re: slide rule sight reduction accuracyPaul Hirose17 Jun 2009, 17:35
Re: slide rule sight reduction accuracyGary LaPook17 Jun 2009, 00:09
Re: slide rule sight reduction accuracyGary LaPook16 Jun 2009, 23:32
Re: slide rule sight reduction accuracyGreg Rudzinski16 Jun 2009, 23:02
Re: slide rule sight reduction accuracyPaul Hirose16 Jun 2009, 22:35
Re: slide rule sight reduction accuracyGreg Rudzinski16 Jun 2009, 16:07
Slide rule sight reduction accuracyPaul Hirose16 Jun 2009, 04:07
Re: The Bygrave Slide RuleGary LaPook2 Jun 2009, 11:36
Re: Slide Rule AzimuthGary LaPook2 Jun 2009, 08:06
Re: Slide Rule AzimuthBill Noyce1 Jun 2009, 18:38
Re: Slide Rule AzimuthHewitt Schlereth31 May 2009, 11:53
Re: Slide Rule AzimuthGreg Rudzinski31 May 2009, 11:11
Re: Slide Rule AzimuthHewitt Schlereth31 May 2009, 10:40
Re: Slide Rule AzimuthGary LaPook31 May 2009, 07:29
Re: The Bygrave Slide RuleDouglas Denny30 May 2009, 22:27
Re: Slide Rule AzimuthGeorge Huxtable30 May 2009, 19:16
Sun Hc using Two Slide RulesGreg Rudzinski30 May 2009, 18:07
Re: Slide Rule AzimuthGary LaPook30 May 2009, 12:12
Re: recommendation for slide rule ?Gary LaPook30 May 2009, 10:49
The Bygrave Slide RuleNavList Messages30 May 2009, 06:31
Re: The Bygrave Slide ruleGary LaPook30 May 2009, 01:24
The Bygrave Slide ruleNavList Messages29 May 2009, 21:39
Re: recommendation for slide rule ?Brad Morris29 May 2009, 20:34
Slide Rule AzimuthGreg Rudzinski29 May 2009, 19:44
Re: The Bygrave Slide ruleBrad Morris29 May 2009, 17:36
Re: recommendation for slide rule ?Gary LaPook29 May 2009, 10:50
The Bygrave Slide ruleNavList Messages29 May 2009, 09:46
Re: 10 inch Slide Rule vs. Pocket CalculatorGreg Rudzinski29 May 2009, 02:20
Re: The Bygrave Slide RuleBrad Morris29 May 2009, 00:20
Re: The Bygrave Slide RuleGary LaPook28 May 2009, 19:35
The Bygrave Slide RuleNavList Messages28 May 2009, 18:32
Re: The Bygrave Slide RuleGary LaPook28 May 2009, 11:23
Re: 10 inch Slide Rule vs. Pocket CalculatorGary LaPook28 May 2009, 09:54
Re: 10 inch Slide Rule vs. Pocket CalculatorGary LaPook28 May 2009, 09:48
Re: The Bygrave Slide RuleRonald van Riet28 May 2009, 08:45
Slide RulesBruce Hamilton28 May 2009, 03:06
Re: 10 inch Slide Rule vs. Pocket CalculatorHewitt Schlereth28 May 2009, 02:42
10 inch Slide Rule vs. Pocket CalculatorGreg Rudzinski28 May 2009, 02:01
The Bygrave Slide RuleNavList Messages27 May 2009, 21:57
Re: recommendation for slide rule ?Gary LaPook25 May 2009, 20:57
Re: recommendation for slide rule ?Gary LaPook24 May 2009, 21:48
Re: recommendation for slide rule ?Greg Rudzinski24 May 2009, 18:14
Re: recommendation for slide rule ?Paul Hirose24 May 2009, 04:00
Re: recommendation for slide rule ? BygraveDave Walden23 May 2009, 00:17
Re: recommendation for slide rule ?Brad Morris22 May 2009, 12:38
Re: recommendation for slide rule ? BygraveGary LaPook22 May 2009, 07:35
Re: recommendation for slide rule ? BygraveGary LaPook22 May 2009, 05:20
Re: recommendation for slide rule ?Greg Rudzinski22 May 2009, 03:48
Re: recommendation for slide rule ?Gary LaPook22 May 2009, 00:23
Re: recommendation for slide rule ?Greg Rudzinski22 May 2009, 00:19
Re: recommendation for slide rule ? BygraveJames N Wilson22 May 2009, 00:15
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 23:47
Re: recommendation for slide rule ?Paul Hirose21 May 2009, 23:00
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 22:26
Re: recommendation for slide rule ?Lu Abel21 May 2009, 22:23
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 22:20
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 22:20
Re: recommendation for slide rule ?Greg Rudzinski21 May 2009, 18:22
Re: recommendation for slide rule ?J Cora21 May 2009, 16:42
Re: recommendation for slide rule ?Hewitt Schlereth21 May 2009, 15:37
Re: recommendation for slide rule ?Brad Morris21 May 2009, 14:40
Re: recommendation for slide rule ?Dave Walden21 May 2009, 13:38
Re: recommendation for slide rule ?Andrew Nikitin21 May 2009, 13:28
Re: recommendation for slide rule ? BygraveBruce Hamilton21 May 2009, 06:01
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 03:51
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 03:28
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 03:17
Re: recommendation for slide rule ?Gary LaPook21 May 2009, 03:10
Re: recommendation for slide rule ?Dave Walden21 May 2009, 03:05
Re: recommendation for slide rule ?Greg Rudzinski21 May 2009, 00:25
Re: recommendation for slide rule ?Gary LaPook20 May 2009, 23:05
Re: recommendation for slide rule ?Gary LaPook20 May 2009, 22:59
Re: recommendation for slide rule ?Peter Hakel20 May 2009, 18:46
Re: recommendation for slide rule ?Greg Rudzinski20 May 2009, 18:11
Re: recommendation for slide rule ?Hewitt Schlereth20 May 2009, 16:57
Re: recommendation for slide rule ?Greg Rudzinski20 May 2009, 16:38
Re: recommendation for slide rule ?Hewitt Schlereth20 May 2009, 15:56
Re: recommendation for slide rule ?Michael Dorl20 May 2009, 15:56
Re: recommendation for slide rule ?Brad Morris20 May 2009, 15:25
Re: recommendation for slide rule ?Hein Bodahl20 May 2009, 12:07
Re: recommendation for slide rule ?Greg Rudzinski20 May 2009, 04:49
Re: recommendation for slide rule ?John Doe19 May 2009, 13:41
Re: recommendation for slide rule ?Gary LaPook18 May 2009, 01:21
Re: recommendation for slide rule ?George Huxtable17 May 2009, 23:21
Re: recommendation for slide rule ?Paul Hirose17 May 2009, 22:25
Recommendation for slide rule ?J Cora16 May 2009, 17:16
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris15 Apr 2009, 23:53
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris15 Apr 2009, 13:38
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleFrank Reed15 Apr 2009, 05:10
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook14 Apr 2009, 23:25
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook14 Apr 2009, 22:28
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris13 Apr 2009, 13:56
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris11 Apr 2009, 23:48
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook11 Apr 2009, 07:52
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook11 Apr 2009, 07:19
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris11 Apr 2009, 01:40
Re: Brygrave slide rule for compact CELNAV backupsystemGary LaPook8 Mar 2009, 18:11
Re: Brygrave slide rule for compact CELNAV backupsystemFrank Reed8 Mar 2009, 04:57
Brygrave slide rule for compact CELNAV backup systemGary LaPook7 Mar 2009, 17:43
Re: Cylindrical Slide RulesGary LaPook15 Feb 2009, 08:31
Re: Cylindrical Slide RulesRichard M Pisko15 Feb 2009, 05:46
Re: Cylindrical Slide RulesBrad Morris13 Feb 2009, 20:00
Re: Cylindrical Slide RulesBrad Morris13 Feb 2009, 20:00
Re: Cylindrical Slide RulesRonald van Riet13 Feb 2009, 17:42
Re: Cylindrical Slide RulesGary LaPook12 Feb 2009, 13:50
Re: Cylindrical Slide RulesNavList11 Feb 2009, 11:17
Re: Bygrave slide rule , o-rings, circular slide rulesNavList28 Dec 2008, 16:25
Re: Position Line Slide Rules: Bygrave, HR1, HR2, MHR1Ronald van Riet1 Oct 2008, 06:54
Position Line Slide Rules: Bygrave, HR1, HR2, MHR1Ronald van Riet30 Sep 2008, 07:24
Re: Bygrave slide ruleBruce Hamilton28 Sep 2008, 02:30
Bygrave slide ruleGary LaPook27 Sep 2008, 11:01
Re: Bygrave slide rule , o-rings, circular slide rulesRonald van Riet15 Jun 2008, 21:29
Re: Bygrave slide rule , o-rings, circular slide rulesGary LaPook15 Jun 2008, 12:29
Re: Bygrave slide rule , o-rings, circular slide rulesGeoffrey Kolbe15 Jun 2008, 10:33
Bygrave slide rule , o-rings, circular slide rulesBruce Hamilton15 Jun 2008, 06:39
Re: Cylindrical Slide RulesGeorge Huxtable1 Aug 2007, 22:42
Re: Cylindrical Slide RulesGeorge Huxtable1 Aug 2007, 22:12
Re: Cylindrical Slide RulesWolfgang Köberer6 Nov 2006, 12:09
Re: Cylindrical Slide RulesOtto E5 Nov 2006, 20:40
Re: Cylindrical Slide RulesGeoffrey Kolbe5 Nov 2006, 07:18
Cylindrical Slide RulesPeter Fogg5 Nov 2006, 02:48
Re: Bygrave slide ruleJohn Rae12 Dec 2005, 02:53
Re: Bygrave slide ruleZvi Doron11 Dec 2005, 13:44
Bygrave slide ruleWillem Piccer11 Dec 2005, 13:00
Re: Bygrave position line slide ruleZvi Doron18 Mar 2004, 22:14
Re: Bygrave position line slide ruleWolfgang Köberer1 Mar 2004, 19:28
Re: Bygrave position line slide ruleZvi Doron29 Feb 2004, 09:00
Re: Bygrave position line slide ruleDan Allen29 Feb 2004, 04:48
Bygrave position line slide ruleZvi Doron28 Feb 2004, 16:01
Fwd: Slide Rule vs HO229 and 249 Interpolation TablesMike Burkes1 Jun 2003, 23:15
Fwd: Slide Rule vs HO229 and 249 Interpolation TablesMike Burkes1 Jun 2003, 23:11
Slide Rule vs HO229 and 249 Interpolation TablesMike Burkes1 Jun 2003, 20:05

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