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TCoCD Pictures Mechanical Calculators Abacus Counting Frame: Wood

Counting Frame: Wood

Counting Frame: Wood (click for larger image, 67k)
front view (click for larger image, 67k)
manufacturing date  
digits:   columns
  rows
10
10
material wood
size:   width
  length
  height
  weight
155 mm
160 mm
55 mm
160 g
Counting Frame: Wood
side view

TCoCD Pictures Mechanical Calculators Abacus Counting Frame: Wood

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

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Last update on 21-Jul-2007
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