VEB MANTISSA, Dresden / (GDR) Germany               (1970)
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                                               VERSION (A)

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)
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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

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

Older Version (A)
-----------------
The slide rule came in a brown cardboard case together
with a booklet. The case has a label on its back side:

                          +-------------------------+
                          |   M E I S S N E R  KG   |
                          |   DDR  -  808 Dresden   |
                          |   -------------------   |
                          |      Darmstadt  II      |
                          |    ELN   138 27 43 1    |
                          |   Best.-Nr. 1 731 523   |
                          |   EVP:       M  21,50   |
                          +-------------------------+

Observe the » MEISSNER « in the headline of the booklet:
With the same model number, same name  » DARMSTADT II «
and also the same cursor this slide rule was previously
under the logo  » MEISSNER «  on the market ...

Newer Version (B)
It was found in a flea market "Sealed, New-In-the-Box".
The CURSOR had changed and now the booklet showed in the
HEADLINE » MANTISSA «

                    Historical Remarks ...
impressum:
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© C.HAMANN   http://public.BHT-Berlin.de/hamann   10/24/07