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KLAWUN  200   ( 25 cm Scales )



FEINMESSINSTITUT  K L A W U N  Hannover / Germany          (1959)
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made by          A.W.Faber-Castell, Stein bei Nuernberg / Germany

S C A L E S   of  the   K L A W U N - R E X         Model » 200 «
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FRONT SIDE              [ RED ] or { GREEN }            BACK SIDE
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( 0 ... 27 cm Ruler )

K         X3
DF        πX
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[CF]      [πX]                       S     sin(0.1X); [cos(0.1X)]
{CIF}     {1/πX}                     [P]   [ sqrt(1 - (0.1X)2 ) ]
{CI}      {1/X}
[C]       [X]                        T     tan(0.1X); [cot(0.1X)]
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D         X
A         X2
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L         lgX    

R E M A R K S :               Production Code = 11_59 = Nov. 1959
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This slide rule came without a case. On the slider's left side is
»CASTELL« ; on its right side is »KLAWUN« engraved.

                  Historical Remarks ...
impressum:
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© C.HAMANN   http://public.beuth-hochschule.de/~hamann   10/23/12