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TCoCD Pictures Mechanical Calculators Abacus Counting Frame: _model_

Counting Frame: Wood & Plastic
Counting Frame: Wood & Plastic (click for larger image, 83k)
front view (click for larger image, 83k)
manufacturing date  
digits:   columns
  rows
10
10
material wood & plastic
size:   width
  length
  height
  weight
210 mm
175 mm
55 mm
315 g
Counting Frame: Wood & Plastic
rear view 		Counting Frame: Wood & Plastic
side view
TCoCD Pictures Mechanical Calculators Abacus Counting Frame: _model_

back to the main page  Abacus  previous Abacus: Counting Frame: Wood  The Collection of Calculating Devices  no next Abacus 
Deutsche Version
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