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Brad, that's the way I would read it. Somewhere there is an F Table. Anyone 
for Raiders of the Lost Table?  :-)

Hewitt


Sent from my iPad

On Jan 30, 2013, at 11:43 AM, "Brad Morris"  wrote:

> Hewitt
> 
> There is an additional "Table".
> 
> Perhaps that table does show "official instructions".  That would be
> fantastic!  The updated instruction then says
> 
> "Use F-Table when declination is near zero and when the hour angle is near
> zero or 90 deg"
> 
> Or did I slaughter that too!?  :-?
> 
> Image http://fer3.com/arc/img/122161.img_2161.jpg shows the first half of
> the Table.
> 
> Image http://fer3.com/arc/img/122161.img_2162.jpg shows the second half.
> 
> Can you make out what the title of the F-Table is?
> 
> Oh yeah and... Thanks!
> 
> Regards
> Brad
> On Jan 30, 2013 2:06 PM, "Hewitt Schlereth"  wrote:
> 
>> ------------------------------
>> 
>> Brad, it's been a long time since I did translations from German and I have 
never had hands on any cylindrical slide rule, in but the phrase,
>> 
>> "Bei d nahe 0 oder t nahe 0 und 90  verwende F-Tafel",
>> 
>> the verb "verwende" means 'use' or 'employ' an 'F-Table', which I would 
take to mean something ancillary to the main slide rule, like say a printed 
table.
>> 
>> Hewitt
>> 
>> 
>> 
>> Sent from my iPad
>> 
>> On Jan 30, 2013, at 6:21 AM, "Brad Morris" ** wrote:
>> 
>>> Hi Gary
>>> 
>>> Image 122161.img_2160.jpg tells the tale!
>>> 
>>> In it, we see the rules for using the device.  Within those rules, we see
>>> the standard admonishments for the MHR1, with one major and glaring
>>> change.  In German, we have:
>>> 
>>> Bei d nahe 0 oder t nahe 0 und 90  verwende F-Tafel
>>> 
>>> Which I loosely translate to:
>>> 
>>> Do not use the slide rule (F-Tafel) when declination is near zero deg or
>>> when the hour angle is near 0 or 90 deg.
>>> 
>>> The is no longer any numerical prohibition like 0 deg 20 min or 89 deg 40
>>> min.  It just says "near" (nahe).  This could be understood to say the same
>>> thing, since 20 min is near to zero.
>>> 
>>> But given the precise directions of the MHR1, I would like to think that
>>> near now means that the scale has been extended downwards and upwards, as
>>> we have discussed, towards 0 and 90 deg.  To what value?  The images do not
>>> reveal this data point.  Pity.  I'd like to think that it went to within an
>>> arc minute, the trick of a tiny offset to include 0 deg 90 deg not
>>> withstanding.
>>> 
>>> What do you make of the conversion table, the adjustment knobs and the
>>> magnifying glass?  Magnifiers are typically associated with verniers and
>>> fine graduations.
>>> 
>>> Regards
>>> Brad
>>> On Jan 30, 2013 12:39 AM, "Gary LaPook" ** wrote:
>>> 
>>>> ------------------------------
>>>> 
>>>> I am attaching some photos I took of the MHR2 in London in 2009.
>>>> 
>>>> gl
>>>> 
>>>> +++++++++
>>>> 
>>>> I would be very curious to see what the scale lengths and operating ranges
>>>> of the MHR2 table top calculator. Ronald - Do you know these values?
>>>> 
>>>> ++++++
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>>>> 
File: 



>>>> 
>>>> *Attached File: 122161.img_2160.jpg**
>>>> *
>>>> *Attached File: 122161.img_2161.jpg**
>>>> *
>>>> *Attached File: 122161.img_2162.jpg**
>>>> *
>>>> *Attached File: 122161.img_2164.jpg**
>>>> *
>>>> *Attached File: 122161.img_2166.jpg**
>>>> *
>>>> *Attached File: 122161.img_2167.jpg**
>>>> *
>>>> *Attached File: 122161.img_2168.jpg**
>>>> *
>>>> *Attached File: 122161.img_2169.jpg**
>>>> *
>>>> 
>>>> : http://fer3.com/arc/m2.aspx?i=122161
>>>> 
>>> 
>>> 
>>> 
>>> 
>>> : http://fer3.com/arc/m2.aspx?i=122166
>>> 
>>> 
>> 
>> 
>> 
>> 
>> : http://fer3.com/arc/m2.aspx?i=122168
>> 
> 
> 
> 
> 
> : http://fer3.com/arc/m2.aspx?i=122169
> 
> 

   

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