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Argos II and Golden Gem Chain Adders...
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2 Calculator Demonstration Models, c. 1950...
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"Saxonia" (Rolltop), 1910...
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The Improved Golden Gem Adding Machine, c. 19...
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2 Mechanical Calculating Machines...
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Burroughs Adding Machine, c. 1905...
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Original U.S.-Patent-Model Endless Slide Rule...
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The Lightning Adding Machine, c. 1900...
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Arithstyle and Golden Gem Model 16...
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2 Small Counters...
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5 American Adding Machines, c. 1902...
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4 Electric Calculating Machines, c. 1940-60...
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Burroughs Adding Machine Company, Detroit, Mi...
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6 Adding Machines, c. 1950...
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4 Mechanical Calculating Machines...
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The Midget Adding Machine, c. 1911...
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B.U.G. Calculator, The Lightning and Golden G...
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The Rapid and Golden Gem...
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2 x Soroban...
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2 Vintage Electronic Calulators...
