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National Mod. 442X Cash Register, c. 1911...
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"Austria"Arithmometer, c. 1910...
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"Thomas' Arithmomètre", c. 1875...
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10 Electronic Calculating Machines...
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Anita C/VII Electronic Desk Calculator, c. 19...
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"Curta" Demonstration Model, c. 1950...
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"Curta Type I" Cutaway Model, 1948...
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"Curta Type II" (Grey), 1948...
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"Thomas' Arithmomètre", c. 1875...
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6 Small Calculating Machines...
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5 Mechanical Adding Machines...
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4 Spoked-Wheel Calculating Machines...
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4 Printing Adding Machines, c. 1925...
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4 Writing Adding Machines, c. 1925...
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4 Spoked-Wheel Calculating Machines...
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7 Mechanical Adding Machines...
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6 Spoked-Wheel Calculating Machines...
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2 Monroe Adding Machines, 1930s...
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2 Calculating Machines...
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"Saxonia 5" Calculating Machine, 1919 onwards...
