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Matador Column Adder, c. 1906...
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Thomas de Colmar Arithmomètre, c. 1863...
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2 Adix Adding Machines...
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3 Adding Machines...
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2 Calculating Aids...
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Hugo Bunzel Arithmometer, Vienna, c. 1905...
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2 Calculating Machines...
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Curta Type I Calculator, 1953...
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3 French Spoke-Wheel Calculating Machines, c....
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4 Calculating Aids...
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2 Disc Adders...
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Adix and Report Adding Machines...
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Arithmomètre Payen, c. 1907...
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Curta Type I Calculator, 1952...
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2 Disc Adders and 1 Set of Calculating Rules...
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Thomas de Colmar Arithmomètre, c. 1881...
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Archimedes Junior Calculator, 1925...
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<3 Asian Merchant Sets with Abacus, c. 1900...
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Curta Type II Calculator (Light-Grey), 1968...
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Peerless Calculating Machine, c. 1907...
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Gottfried Wilhelm, "Theodicee", 1744...
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5 Calculating Aids...
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2 Calculating Machines...
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Arithmaurel Stepped-Drum Calculating Machine ...
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Toothed Disc Adding Machine by Boyer, c. 1840...
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Millionär Calculating Machine, 1893 onwards...
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Mercedes Euklid Model 1 Proportional-Lever Ca...
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Curta Type II Calculator (Light-Grey), 1966...
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Curta Type I Calculator, 1951...
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Madas Calculating Machine, c. 1924...
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2 Calculating Machines, c. 1925...
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Electric Calculator with Nixie Tube Display, ...
