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MEISSNER - VARIANT ( 25 cm Scales )
MEISSNER KG, Dresden / (GDR) Germany (1964)
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VERSION (B)
S C A L E S of the M E I S S N E R » VARIANT « DUPLEX
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Front Side [ inverse / RED ] Back Side
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T tan(0.1X); [cot(0.1X)] L lgX
K X3 LL1 exp(0.01X)
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)] LL2 exp(0.1X)
S sin(0.1X); [cos(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
There are 2 Versions in the Collection ...
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Newer Version (B)
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Remarkable is ( right on the slider ) »GERMANY« ( NOT »DDR« )
The newer cursor has 3 hairlines on A/B-Side and 1 opposite.
Only the DF/CF-Side of the SR has "Connector-Blocks". The SR
came in a light-brown cardboard case.
Older Version (A)
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The older ( metal block ) cursor has 4 hairlines on A/B-Side
(Diameter/Area-Rel. & "PS" on A/B), and 2 hairlines opposite
("360" on CF/DF). "Connector-Blocks" are on both sides ...
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The slide rule came in a dark-brown cardboard case.