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ARISTO   COMMERZ  III   ( 12 cm  Diameter )



ARISTO-Werke Dennert & Pape, Hamburg / Germany            (1974)
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SCALES of the  » COMMERZ III «   CIRCULAR SLIDE RULE   Model 623
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[ inverse / RED ]                             ( one-sided only )
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   US/GB Conversions

   X                                            outer circles
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   X                                            inner circles
   [1/X]
   -  %  +

REMARKS:          Production Code = 2LT02 = Hamburg, 1974, Lot 2
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The LENGHT of the SCALE is:  8.5 cm * π  =  26.7 cm  =  10 1/2 "

The SR came in a red soft-plastic case with an instruction sheet

                  Historical Remarks ...
impressum:
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© C.HAMANN  http://public.beuth-hochschule.de/~hamann   10/12/11