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5 Calculating Aids...
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Calculating Toys and Curiosities...
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Toy Calculating Machines...
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Calculating Aids and Toys...
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Archimedes Educational Tool for Fractions, c....
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Calculateur Automatique Eureka Toy, c. 1900...
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The Little Accountant, c. 1895...
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Group of Arithmetic Games...
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Finger Calculator, c. 1920...
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Astronom Fraction Calculator, c. 1930...
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Group of Arithmetic Games...
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9 Arithmetic Games...
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La Pythagore, late 19th Century...
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Calculating Aids and Toys...
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13 Embossed Copper Counter Tokens, c. 1650...
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Facit CA1-13 Mathematikus, c. 1965...
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Rare "Calculating Boy" Tin Toy, c. 1913...
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Rare Calculating Robot Answer Game, c. 1963...
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13 Adding Pens and Calculators...
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Austrian Twin Arithmometer with Double-Slidin...
