G. Reisch, Margarita philosophica
Use of medieval abacus and counting board.
- MEDIEVAL ABACUS
- COUNTING BOARDS
- MEDIEVAL ABACUS
- COUNTING BOARDS
- Wellcome Collection
- http://creativecommons.org/licenses/by/4.0/
- false
- Credit: Wellcome Collection
- L0025515
- L0025515
- s326qf59
- United Kingdom
- 2019-06-09T11:30:22.271Z
- 2019-06-09T11:30:22.271Z