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MEISSNER - DARMSTADT   ( 25 cm Scales )



MEISSNER KG, Dresden / (GDR) Germany                  (1960)
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S C A L E S  of  the  M E I S S N E R  » DARMSTADT «  DUPLEX
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Front Side            [ inverse / RED ]            Back Side
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                                        ( 0 .. 27 cm Ruler )
K       X3
A       X2                     L     lgX
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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                      T      tan(0.1X); [cot(0.1X)]
[P]     [sqrt(1 - (0.1X)2)]    S      sin(0.1X); [cos(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.  The cursor
end-plates are made of aluminum.

                   Historical Remarks ...
impressum:
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http://public.beuth-hochschule.de/~hamann           09/24/07