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5 Spokewheel Calculating Machines...
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6 Spokewheel Calculating Machines...
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5 Calculators, c. 1940-1960...
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3 Calculating Machines, c. 1920...
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5 Spokewheel Calculating Machines...
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4 Mechanical Calculators, c. 1925...
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T-I-M Mod. 1 (Unitas), 1907...
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"Millionär", 1895...
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"Adsumudi", 1907...
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"Burroughs Sensimatic Series 300", c. 1955...
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4 Electrical Calculators, c. 1925...
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6 Spokewheel Calculating Machines...
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"Robotron Mod. 314", 1972...
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Olympia CD400 Desktop Calculator, 1970...
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6 Spokewheel Calculating Machines...
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11 Electronic Calculating Machines...
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"Peerless", 1904‘’...
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Bürk's "Kollektor" Adding Machine, c. 1910...
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"Peerless Baby", 1904...
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"Madas", 1913...
