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TCoCD Pictures Mechanical Calculators Contex 30

Contex 30

Contex 30 (click for larger image, 62k)
top view (click for larger image, 62k)
manufacturing date  
digits:   entry
  result
  counter
8
12
-
entry 10 key keyboard
mechanism rocking segment
operation electric
size:   width
  length
  height
  weight
210 mm
265 mm
105 mm
3.6 kg
Contex 30: side view
side view

TCoCD Pictures Mechanical Calculators Contex 30

back to the main page  Contex  no previous calculator  The Collection of Calculating Devices  next calculator: n.n. 
Deutsche Version
Deutsche Version

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Last update on 21-Jul-2007
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