NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Sextant stands; was Lunar Distances: Graphic Methods
From: Jim Thompson
Date: 2004 Apr 24, 21:02 -0300
From: Jim Thompson
Date: 2004 Apr 24, 21:02 -0300
The same thought struck me today -- I ran across mention of those devices for the first time while doing some google research on sextant mirror construction. I had never known about them before. I then researched sextant stands, but found only historical references, so it appears that perhaps nobody is marketing them any longer: http://45.1911encyclopedia.org/S/SE/SEXTANT.htm http://www.westsea.com/tsg3/octlocker/octcapchart13.html http://www.nla.gov.au/ntwkpubs/gw/47/p22a01.html http://www.mat.uc.pt/~helios/Mestre/Novemb00/H61if_2.htm Jim Thompson jim2@jimthompson.net www.jimthompson.net Outgoing mail scanned by Norton Antivirus ----------------------------------------- > -----Original Message----- > From: Henry C. Halboth > I might note, in this regard, that there does not seem to have been any > recent mention of the use of a sextant stand in taking shoreside > artificial horizon altitudes, as was done by the hydrographical surveyors > in establishing positions - the sextant stand is pretty well covered in > "Hydrographical Surveying", by Wharton & Field, 1920 Edition, and might > be of interest to those using the artificial horizon. This is pretty much > the standard work, and might be useful to those seeking more theoretical > accuracy than sometimes sought in practical navigation...