My region: Россия
My cart руб.

Morland’s Mechanical Calculator

Published 01.04.2011 Presenter Anton Pankratov

Morland's Mechanical Calculator

Since people needed to perform complex calculations, and high-precision mechanisms were already there, the middle of the 17th century gave birth to the first calculation devices. One of them was Samuel Morland's non-decimal adding machine invented in 1668.
This handy tool helped perform non-decimal calculations for financial ...