30 oct 1673 año - The Stepped Reckoner
Descripción:
An early calculator designed by Gottfried Wilhelm von Leibniz. While it was originally meant to perform simple calculations such as square roots and multiplication, it often got jammed and become unable to use.
https://www.britannica.com/technology/Step-Reckoner
Añadido al timeline:
fecha:
30 oct 1673 año
Ahora mismo
~ 352 years ago
Fotos:
![]()