back to the main page  IWA Rechenschieberfabrik  previous IWA rule: 15375 Lufthansa Fueling Computer B-747 D/E  The Collection of Calculating Devices  next IWA rule: SR 726 Gasrohrberechnung 
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TCoCD Pictures Slide Rules IWA Rechenschieberfabrik SR 722 Wasserrohrberechnung

IWA Rechenschieberfabrik SR 722 Wasserrohrberechnung

SR 722 Wasserrohrberechnung (front)

SR 722 Wasserrohrberechnung (back)

front side:
(click for larger images)
left end (37k)
left end (37k)
right end (37k)
right end (37k)
type:  
scales front:  upper frame
    slide
    lower frame
 
 
 
size:  length
  width
  weight
217 mm
45 mm
27 g
material:  frame & slide
  runner
cardboard with plastic cover
-
production:  years
  country
1934
Germany

TCoCD Pictures Slide Rules IWA Rechenschieberfabrik SR 722 Wasserrohrberechnung

back to the main page  IWA Rechenschieberfabrik  previous IWA rule: 15375 Lufthansa Fueling Computer B-747 D/E  The Collection of Calculating Devices  next IWA rule: SR 726 Gasrohrberechnung 
Deutsche Version
Deutsche Version

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Last update on 21-Jul-2007
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