- Very Early Curta Type I Miniature Calculator,...
- Curta Type II (Grey), 1948...
- Curta Type I Demonstration Kit, 1954...
- Cutaway Model of a Dactyle Calculator, c. 190...
- Arithmometer "H. Bunzel, Wien", 1908...
- 4 Mechanical Calculating Machines...
- 2 TIM (Time Is Money) Calculating Machines, 1...
- Madas Model 1 Calculating Machine, 1913-1916...
- 3 Spoked Wheel Calculating Machines...
- The Millionaire Calculating Machine, 1895...
- Arithmometer "Austria", c. 1905...
- Arithmomètre Payen, c. 1880...
- Bunzel Arithmometer, c. 1910...
- Special Calculator "E.A.-UHR 61", 1965...
- Calculating Disc in Traveling Case, c. 1925...
- Arithmometer "Archimedes Model C 16", 1906...
- 6 Spoked Wheel Calculating Machines...
- Austria Model VI Arithmometer, c. 1910...
- 6 Spoked Wheel Calculating Machines...
- 6 Spoked Wheel Calculating Machines...
- 6 Spoked Wheel Calculating Machines...
- 2 Stepped-Drum Calculating Machines...
- 6 Spoked Wheel Calculating Machines...
- 4 Mechanical Calculating Machines...
- Curta "Type I" Calculator, 1948...
- 3 Calculating Machines...
- The Millionär Calculator, 1893 onwards...
- Thomas' Arithmomètre, c. 1875...
- 6 Spoked Wheel Calculating Machines...
- 6 Spoked Wheel Calculating Machines...
- 6 Spoked Wheel Calculating Machines...
- 6 Spoked Wheel Calculating Machines...
- 2 TIM (Time Is Money) Calculating Machines, 1...
- XxX ('X multiplied by X') Calculating Machine...
- Thomas' Arithmomètre, 1862-63...
- Calculating Drum and Tools...
- 4 Spoked Wheel Calculating Machines...
- 7 Spoked Wheel Calculating Machines...
- 3 Mechanical Calculating Machines...
- Madas Model VII T Calculating Machine, 1925...
- Soviet Electronic Calculator Iskra 122, 1971 ...
- 2 Bakelite Adding Machines ...
- 6 Spoked Wheel Calculating Machines...
- 6 Spoked Wheel Calculating Machines...
- Curta Demonstration Model, c. 1994...
- Stepped-Drum Calculator by Herzstark, Vienna,...
- Olivetti Divisumma 18 Printing Calculator, 19...
- 6 Calculating Machines...
- Arithmometer - Original-Odhner (Russian), c. ...
- Triumphator Model D Calculator, c. 1925...
- 4 Military Calculating Devices...
- Curta Type II Calculator (Grey), 1948...
- Certa Adding Machine, c. 1908...
- Saxonia Universal Calculating Machine, c. 192...
- 4 Spoked Wheel Calculating Machines...
- Arithmometer - Original Odhner (Russian), c. ...
- Brass Stepped-Drum Calculating Machine ...
- Adding Machine for Large Numbers, c. 1900...
- Austria Model I Arithmometer, c. 1906...
- Brunsviga Model D13 R-1 Twin Calculator, 1958...