ARISTO-Werke Dennert & Pape, Hamburg / Germany       (1971)
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S C A L E S  of the  ARISTO  » COMMERZ JUNIOR «  Model 0907
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[ inverse / RED ]                        ( one-sided only )
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   A            X2
   DF           3.6*X
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   CF           3.6*X
   [CIF]        [1/3.6*X]
   [CI]         [1/X]
   C            X
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   D            X
   L            lgX
   LL1          exp(0.01X)
   LL2          exp(0.1X)

REMARKS:
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Production Code = 3LR62 = Geretsried, 1971, Lot 62

DF,CF,[CIF]-Scales are folded at 3.6*X for Days-of-the-Year.

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

                Historical Remarks ...
impressum:
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© C.HAMANN    http://public.BHT-Berlin.de/hamann    10/26/08