A.W.Faber-Castell, Stein bei Nuernberg / Germany (1975)
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Made in Switzerland VERSION (B2)
S C A L E S of the FABER-CASTELL »D-STAB« Model 52/82
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Front Side [ inverse / RED ] Back Side
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L lgX T1 tan(0.1X) ; [cot(0.1X)]
K X3 T2 tan(X) ; [cot(X)]
A X2 DF πX
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B X2 CF πX
[BI] [1/X2] [CIF] [1/πX]
[CI] 1/X S' sin(0.1X) ; [cos(0.1X)]
C X C X
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D X D X
LL1 exp(0.01X) S sin(0.1X) ; [cos(0.1X)]
LL2 exp(0.1X) ST arc(0.01X)
LL3 exp(X) [P] [sqrt(1 - (0.1X)2)]
R E M A R K S : There are 4 Model 52/82 in the Collection
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3 Newer Versions called » CASTELL D-STAB «
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Version (B2s) "Made in Switzerland"
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Production Code = 5 75 = May 1975
This slide rule came in a green/beige plastic case in a box
together with an instruction booklet.
Version (B2g) "Made in Germany"
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Production Code = 5 75 = May 1975
This slide rule came in a green/beige plastic case in a box
together w. a booklet + sheet "Symbole aus der Mengenlehre"
Version (B1) NOT SHOWN
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Production Code = 4(?)3 = April 1973
This slide rule came in a grey plastic case. The scales are
the same as the » SCHUL-D-STAB « , Version (A2)
Front: L, K, A / B, [CI], C / D, LL1, LL2, LL3
Back: T1, T2, DF / CF, [CIF], [CI], C / D, S, ST, [P]
2 Older Versions called » SCHUL-D-STAB «
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The » SCHUL-D-STAB « with the same model number » 52/82 «
came in 2 Versions with DIFFERENT SLIDER SCALES ...
Historical Remarks ...
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 03/04/08
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