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Deutsche Version
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TCoCD Pictures Mechanical Calculators Abacus Counting Frame: Wood

Counting Frame: Wood

Counting Frame: Wood (click for larger image, 61k)
front view (click for larger image, 61k)
manufacturing date  
digits:   columns
  rows
10
5
material Wood
size:   width
  length
  height
  weight
120 mm
130 mm
30 mm
67 g
Counting Frame: Wood
side view

TCoCD Pictures Mechanical Calculators Abacus Counting Frame: Wood

back to the main page  Abacus  previous Abacus: Counting Frame: Wood  The Collection of Calculating Devices  next Abacus: Counting Frame: Wood & Plastic 
Deutsche Version
Deutsche Version

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Last update on 21-Jul-2007
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