REISS, Bad Liebenwerda / (GDR) Germany                   (1965)
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SCALES  of  the   R E I S S  ( ALUMINUM )  P O C K E T  »RIETZ«
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Front Side                                            Back Side
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( 0 ...  13 cm Ruler )

A       X2
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B       X2                           S    sin(0.01X); sin(0.1X)
                                     L    lgX
C       X                            T    tan(0.1X)
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D       X

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

                               S keyed to A/B ;  T keyed to C/D

The slide rule came  in a brown plastic case.  The print on
the back side of the slide rule says:

       VEB Messgeraete- und Armaturenwerk "Karl Marx"
            Magdeburg-Buckau, Strasse der D.-S.F.

                    Historical Remarks ...
impressum:
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© C.HAMANN     http://public.BHT-Berlin.de/hamann      03/09/14