back to the main page  IWA Rechenschieberfabrik  previous IWA rule: SR 722 Wasserrohrberechnung  The Collection of Calculating Devices  next IWA rule: SR 753 Waermebedarf 
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TCoCD Pictures Slide Rules IWA Rechenschieberfabrik SR 726 Gasrohrberechnung

IWA Rechenschieberfabrik SR 726 Gasrohrberechnung
SR 726 Gasrohrberechnung (front)

SR 726 Gasrohrberechnung (back)

front side:
(click for larger images)		 left end (37k)
left end (37k) 		right end (36k)
right end (36k)
type:  
scales:  front:  upper frame
    slide
    lower frame
 
 
 
size:  length
  width
  weight
217 mm
47 mm
58 g
material:  frame & slide
  runner
 
white plastic
celluloid
(single sided)
production:  years
  country
1936
Germany
TCoCD Pictures Slide Rules IWA Rechenschieberfabrik SR 726 Gasrohrberechnung

back to the main page  IWA Rechenschieberfabrik  previous IWA rule: SR 722 Wasserrohrberechnung  The Collection of Calculating Devices  next IWA rule: SR 753 Waermebedarf 
Deutsche Version
Deutsche Version

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