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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© C.HAMANN http://public.BHT-Berlin.de/hamann 05/23/07
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