Uploaded February 2026 | Updated September 2026, 3 hours ago

---

Ateliers Vaucanson was a French company that made instruments including pinwheel calculators. This is a model AVA13 from about 1950.

For more information about this and other machines in my collection, please visit my website:
jaapsch.net/mechcalc

0:00 Introduction
0:11 Multiplication
0:50 Serial number
1:18 History
2:19 Division
3:57 Outro