Leonardo da Vinci Pubblico Deposited
- Leonardo di ser Piero da Vinci (1452-1519) sketched a guillotine-like mechanical drop-hammer coin press and planchet cutter. If it was ever built during his lifetime it was soon replaced by faster roller coin presses and then screw presses. The device is slow and cumbersome to use, but interesting.
- Numiscadero Spanish to English Glossary (Gary Beals)