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Toothed Disc Adding Machine by Boyer, c. 1840...
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Arithmaurel Stepped-Drum Calculating Machine ...
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2 Calculating Machines...
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5 Calculating Aids...
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Gottfried Wilhelm, "Theodicee", 1744...
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Peerless Calculating Machine, c. 1907...
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Curta Type II Calculator (Light-Grey), 1968...
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<3 Asian Merchant Sets with Abacus, c. 1900...
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Archimedes Junior Calculator, 1925...
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Thomas de Colmar Arithmomètre, c. 1881...
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2 Disc Adders and 1 Set of Calculating Rules...
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Curta Type I Calculator, 1952...
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Arithmomètre Payen, c. 1907...
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Adix and Report Adding Machines...
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2 Disc Adders...
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4 Calculating Aids...
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3 French Spoke-Wheel Calculating Machines, c....
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Curta Type I Calculator, 1953...
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2 Calculating Machines...
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Hugo Bunzel Arithmometer, Vienna, c. 1905...
