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Golden Gem
National Museum of American History
Past auction: American adding machine c. 1900 | March 2, 2007
Adding Machines – Tallahassee Automobile Museum
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GEM calculator, 1890. | Science Museum Group Collection
Golden Gem
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Gem Adding Machine
Golden Gem Adding Machine
Golden Gem Model 16 Adding Machine Patented 1907 | #1784933488
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National Museum of American History
Golden Gem
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National Museum of American History
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Addiator
