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4 Demonstration Models of a Calculating Machi...
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3 Office Machines and a Telephone...
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Adler Model 11 Typewriter, c. 1912...
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4 Typewriter Demonstration or Cutaway Models...
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3 Mechanical Typewriters...
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The Correspondent Typewriter, 1923...
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Multifix E1 Calculating Machine, c. 1955...
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Hugo Bunzel Vienna Arithmometer, c. 1905...
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Alpina Calculating Machine, 1961...
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Report and Certa Adding Machines...
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Rapid Rare Adding Machine, c. 1918...
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Archimedes Junior Calculator, 1925...
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Peerless Baby Calculating Machine, c. 1922...
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Kuli Calculating Machine, 1913 onwards...
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Hines Patent Calculator with 3 Wheels, 1905 o...
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4 Spoked-Wheel Calculating Machines and a Dem...
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Special Calculators for Various Professions...
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Adimul Calculating Machine, 1913 onwards...
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Collection of 9 Abaci...
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Triumphator Type I Calculator, c. 1914...
