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Original Curta Collection...
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7 Spokewheel Calculating Machines...
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Printing Adding Machine "Burroughs" (Class 1)...
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Alphabetic Acccounting Machine Burroughs Sens...
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Exhibition Display of "Calculating Discs and ...
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28 Slide Rules...
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7 Quick Adding Machines...
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"The Millionaire" Calculator, 1893...
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"Tasma Mod. C" Adding Machine, c. 1930...
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Russian Original Odhner Mod. 1 (Arithmometer)...
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Burroughs Class 2 Duplex Calculating Machine,...
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"BriCal - The British Calculator Mod. 2" (!!)...
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"The BriCal - Money Calculating Machine", c. ...
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Russian "Original Odhner", c. 1905...
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Thacher's Calculating Instrument, 1881...
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14 Calculating Tools...
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Calculating Drum "Loga", c. 1930...
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"Certa" Adding Machine...
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"Diera", 1906...
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"Adix" (Model 1)", 1903...
