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TCoCD Pictures Mechanical Calculators Olivetti summa Quanta 20 E

Olivetti summa Quanta 20 E
Olivetti summa Quanta 20E (click for larger image, 49k)
top view (click for larger image, 49k)
manufacturing date  
digits:   entry
  result
  counter
9
11
-
entry 10 key keyboard
mechanism  
operation electric
size:   width
  length
  height
  weight
190 mm
285 mm
120 mm
4.61 kg
Olivetti summa Quanta 20 E: side view
side view
TCoCD Pictures Mechanical Calculators Olivetti summa Quanta 20 E

back to the main page  Olivetti  previous calculator: Summa 15  The Collection of Calculating Devices  no next calculator 
Deutsche Version
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