A.W.Faber-Castell, Stein bei Nuernberg / Germany (1964)
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VERSION (B)
S C A L E S of the FABER-CASTELL » DUPLEX « Model 2/82
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Front Side [ inverse / RED ] Back Side
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L lgX [LL03] [exp(-X)]
T1 tan(0.1X) ; [cot(0.1X)] [LL02] [exp(-0.1X)]
T2 tan(X) ; [cot(X)] [LL01] [exp(-0.01X)]
A X2 K X3
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B X2 K' X3
[BI] [100/X2] C X
[CI] [10/X] [CIF] [10/πX]
C X CF πX
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D X DF πX
ST arc(0.01X) LL1 exp(0.01X)
S sin(0.1X) ; [cos(0.1X)] LL2 exp(0.1X)
[P] [sqrt(1 - (0.1X)2)] LL3 exp(X)
R E M A R K S : There are 2 Model 2/82 in the Collection
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Newer Version (B)
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Production Code = 1_??
The slide rule has scales in other sequence and NO RULERS
on its body. It is shielded in an acrylic box. It came
with an instruction booklet and a separate ruler with
physical constants and conversion factors in the box.
Older Version (A)
Production Code = 10_??
This slide rule came in a green cardboard case.
Historical Remarks ...
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 04/19/09
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