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TCoCD Pictures Mechanical Calculators Chadwick n.n.

Chadwick n.n.
Chadwick n.n. (click for larger image, 78k)
top view (click for larger image, 78k)
manufacturing date  
digits:   entry
  result
  counter
7
7
-
entry fingers
mechanism  
operation manual
size:   width
  length
  height
  weight
108 mm
94 mm
98 mm
280 g
Chadwick n.n.
side view
TCoCD Pictures Mechanical Calculators Chadwick n.n.

back to the main page  Chadwick  no previous Chadwick calculator  The Collection of Calculating Devices  no next Chadwick calculator 
Deutsche Version
Deutsche Version

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