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MEISSNER - RIETZ   ( 25 cm Scales )
Have a look at NEWER VERSIONS



MEISSNER KG, Dresden / (GDR) Germany               (1953)
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                                              VERSION (A)

S C A L E S   of the  MEISSNER   » RIETZ «    Model 75/2b
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Front Side         [ inverse / RED ]            Back Side
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( 0 ... 25 cm Ruler )

K       X3
A       X2
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B       X2                   S     sin(0.1X); [cos(0.1X)]
[CI]    [1/X]                ST    arc(0.01X)
C       X                    T     tan(0.1X); [cot(0.1X)]
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D       X
L       lgX

( 0 ... 10 " Ruler )

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 3 Versions in the Collection
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This historic slide rule is made of beech wood.  Scales
are printed on celluloid veneer.  On its back side are
conversion tables.  It came in a black cardboard case.

Have a look at Newer Versions

                   Historical Remarks ...
impressum:
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http://public.beuth-hochschule.de/~hamann        05/23/07