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( NEW CURSOR TYPE )
MANTISSA-DARMSTADT-II
( 25 cm Scales )

Have a look at an Older Version (A)




VEB MANTISSA, Dresden / (GDR) Germany               (1975)
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                                               VERSION (B)

SCALES  of the  MANTISSA  » 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)
----------------------------------------------------------
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

There are 2 Versions  Nr.1731523/4  in the Collection

Newer Version (B)
-----------------
It was found in a flea market "Sealed, New-In-the-Box".
The CURSOR had changed and the booklet's HEADLINE and
the LABEL on the back side of the brown cardboard case
reads now  » MANTISSA «. 

Older Version (A)
The slide rule came in a brown cardboard case together
with a booklet.

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