Albert Nestler, Lahr in Baden / Germany              (1955)
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S C A L E S  of  the  NESTLER   P O C K E T   » Model 11R «
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Front Side           [ inverse / RED ]            Back Side
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( 0 ...  13 cm Ruler )

A        X2
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B        X2                            S         sin(0.1X)
[CI]     [1/X]                         S&T       arc(0.01X)
C        X                             T         tan(0.1X)
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D        X
L        lgX

R E M A R K S :                  (  1° = 60' ;   1' = 60" )
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The TRIGONOMETRIC SCALES  are divided in  MINUTES & SECONDS

Historical Remarks ...

AEG ( = Allgemeine Elektrizitaets Gesellschaft ) is printed
on the back side of the slide rule and on the leather case.

impressum:
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© C.HAMANN   http://public.BHT-Berlin.de/hamann    11/13/08