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Olivetti Divisumma 26 Electromechanical Deskt...
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4 Electric Calculating Machines...
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"Curta Type II" (Grey), 1948...
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"Madas Model IX Te Malaga" Calculating Machin...
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"Curta Type II" (Grey), 1948...
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4 Calculating Machines...
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2 Spoked-Wheel Calculating Machines...
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Calculators, Calculating Tools and Demonstrat...
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3 Spoked-Wheel Calculating Machines and 1 Typ...
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Olivetti Logos 58 Electronic Calculator, 1973...
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2 Mechanical Calculating Machines...
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Curta Type I Calculator, 1963...
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4 Mechanical Calculating Machines...
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"XxX" ('X multiplied by X') Calculating Machi...
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7 Calculating Machines...
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6 Calculating Machines...
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Bunzel Arithmometer, c. 1910...
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6 Calculating Machines...
