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Brass Stepped-Drum Calculating Machine ...
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Arithmometer - Original Odhner (Russian), c. ...
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4 Spoked Wheel Calculating Machines...
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Saxonia Universal Calculating Machine, c. 192...
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Certa Adding Machine, c. 1908...
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Curta Type II Calculator (Grey), 1948...
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4 Military Calculating Devices...
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Triumphator Model D Calculator, c. 1925...
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Arithmometer - Original-Odhner (Russian), c. ...
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6 Calculating Machines...
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Olivetti Divisumma 18 Printing Calculator, 19...
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Stepped-Drum Calculator by Herzstark, Vienna,...
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Curta Demonstration Model, c. 1994...
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6 Spoked Wheel Calculating Machines...
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6 Spoked Wheel Calculating Machines...
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2 Bakelite Adding Machines ...
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Soviet Electronic Calculator Iskra 122, 1971 ...
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Madas Model VII T Calculating Machine, 1925...
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3 Mechanical Calculating Machines...
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7 Spoked Wheel Calculating Machines...
