VEB MANTISSA, Dresden / (GDR) Germany (1973)
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SCALES of the MANTISSA » VARIANT II « Nr.1731573/4
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Front Side [ inverse / RED ] Back Side
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( 0 ... 25 cm Ruler )
ST arc(0.01X)
T tan(0.1X)
K X3 L lgX
A X2 DF πX
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B X2 CF πX
[CI] [1/X] [CIF] [1/πX]
C X C X
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D X D X
[P] [sqrt(1 - (0.1X)2)] LL1 exp(0.01X)
S sin(0.1X) LL2 exp(0.1X)
LL3 exp(X)
R E M A R K S : ( 1° = 60' ; 1' = 60" )
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The TRIGONOMETRIC SCALES are divided in MINUTES & SECONDS
Historical Remarks ...
This slide rule was on the market before with the same MODEL
NUMBER and the same INSTRUCTION as »MEISSNER-VARIANT-II«
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 09/10/09
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