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MEISSNER - DARMSTADT  II   ( 25 cm Scales )



MEISSNER KG, Dresden / (GDR) Germany                   (1964)
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SCALES  of the   MEISSNER   » DARMSTADT II «     Nr.1731523/4
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Front Side             [ inverse / RED ]            Back Side
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K        X3                     [P]       [sqrt(1 - (0.1X)2)]
A        X2                     ST        arc(0.01X)
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B        X2                     LL1       exp(0.01X)
[CI]     [1/X]                  LL2       exp(0.1X)
C        X                      LL3       exp(X)
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D        X                      D         X
L        lgX                    T         tan(0.1X)
                                S         sin(0.1X)

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

The slide rule came in a brown cardboard case with a booklet.

                   Historical Remarks ...
impressum:
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© C.HAMANN    http://public.BHT-Berlin.de/hamann     03/23/07