back to the main page  Mechanical Calculators  previous brand: Various Mechanical Calculators  The Collection of Calculating Devices  next brand: Addiator 
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TCoCD Pictures Mechanical Calculators Abaci

Abaci

collection of abaci (click for larger image, 176k)
(click for larger image, 176k)

Chinese Suan Pan

brass brass and glas brass and marble wood bone
brass brass and glas brass & marble bone

wood wood wood wood wood
wood wood wood wood wood

wood
wood

Japanese Soroban

brass plastic
brass plastic

Russian Stschoty

wood wood plastic plastic wood
wood wood plastic plastic wood
plastic wood wood wood wood
plastic wood wood wood wood

German Counting Frame

wood wood wood + plastic
wood wood wood + plastic
TCoCD Pictures Mechanical Calculators Abaci

back to the main page  Mechanical Calculators  previous brand: Various Mechanical Calculators  The Collection of Calculating Devices  next brand: Addiator 
Deutsche Version
Deutsche Version

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