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2 Calculating Watches...
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"Curta Type II" (Grey), 1948...
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Universal Adder, 1904...
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"Kuli" Calculating Machine, 1909...
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3 Disc Calculators...
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Logarithmic Calculating Drum, c. 1930...
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"Demos II", 1923...
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"Millionär" Calculator, 1895...
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"Brunsviga Patent" and "Doppel-Brunsviga" 13 ...
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Odhner's Arithmometer, c. 1900...
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Collection of 8 Spokewheel Calculating Machin...
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6 Pocket Calculators...
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Dr. Roth Calculator with Direct Display, 1841...
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World's 1st Mechanical Calculating Machine by...
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7 Calculating Machines...
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3 Calculating Machines...
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"Ideal" Calculator, c. 1910...
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Collection of 9 Calculating Machines...
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Arithmomètre de Thomas de Colmar (Boulle), c....
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The Adding Machine of Pierre Fardoil, c. 1700...
