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TCoCD Pictures Mechanical Calculators Abacus Soroban: Brass

Soroban: Brass

 (click for larger image, 125k)
(click for larger image, 125k)
manufacturing date  
digits:   columns
  rows
9
4 + 1
material brass
size:   width
  length
  height
  weight
110 mm
53 mm
14 mm
165 g

TCoCD Pictures Mechanical Calculators Abacus Soroban: Brass

back to the main page  Abacus  previous Abacus: Suan Pan wood  The Collection of Calculating Devices  next Abacus: Soroban plastic 
Deutsche Version
Deutsche Version

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Last update on 21-Jul-2007
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