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FABER-CASTELL   DARMSTADT   ( 25 cm Scales )



A.W.Faber-Castell, Stein bei Nuernberg / Germany      (1966)
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                                                 VERSION (C)

S C A L E S  of the FABER-CASTELL  » DARMSTADT «  Model 1/54
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Front Side       [ inverse / RED ]                 Back Side
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( 0 ...  27 cm Ruler )

L        lgX
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K        X3
A        X2
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B        X2                               LL1     exp(0.01X)
[CI]     [1/X]                            LL2     exp(0.1X)
C        X                                LL3     exp(X)
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D        X
[P]      [sqrt(1 - (0.1X)2)]
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S        sin(0.1X) ; [cos(0.1X)]
T        tan(0.1X) ; [cot(0.1X)]

R E M A R K S :
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There are 3 Versions in the Collection:
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VERSION (C)  Production Code = 9 66 = Sept. 1966

This historic wooden model came in a higher green cardboard
case to give space for the magnifying cursor.  On its back
side is a sheet with mathem. formulas & physical constants.
This newer version has not longer "Ladder"-Type Scales and
the NAMES of Scales are printed ( K .. L  /  X3 .. lgX ).

Have a look at Older Versions ...

                  Historical Remarks ...
impressum:
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http://public.beuth-hochschule.de/~hamann           06/12/10