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ARISTO - BISCHOLAR   ( 25 cm Scales )



ARISTO-Werke Dennert & Pape, Hamburg / Germany       (1971)
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S C A L E S   of the   ARISTO  » BISCHOLAR «     Model 0906
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Front Side        [ inverse / RED ]               Back Side
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                             ST      arc(0.01X)
                             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]
S      sin(0.1X)             [CI]    [1/X]
C      X                     C       X
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D      X                     D       X
L      lgX                   [DI]    [1/X]
[P]    [sqrt(1 - (0.1X)2)]   S       sin(0.1X); [cos(0.1X)]

REMARKS:
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Production Code = 3LR1 = Geretsried, 1971, Lot 1

This slide rule came in a beige/red hard-cover case.

                Historical Remarks ...
impressum:
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http://public.beuth-hochschule.de/~hamann          12/23/06