- 2 Calculating Watches...
- "Curta Type II" (Grey), 1948...
- Universal Adder, 1904...
- "Kuli" Calculating Machine, 1909...
- 3 Disc Calculators...
- Logarithmic Calculating Drum, c. 1930...
- "Demos II", 1923...
- "Millionär" Calculator, 1895...
- "Brunsviga Patent" and "Doppel-Brunsviga" 13 ...
- Odhner's Arithmometer, c. 1900...
- Collection of 8 Spokewheel Calculating Machin...
- 6 Pocket Calculators...
- Dr. Roth Calculator with Direct Display, 1841...
- World's 1st Mechanical Calculating Machine by...
- 7 Calculating Machines...
- 3 Calculating Machines...
- "Ideal" Calculator, c. 1910...
- Collection of 9 Calculating Machines...
- Arithmomètre de Thomas de Colmar (Boulle), c....
- The Adding Machine of Pierre Fardoil, c. 1700...