Search examples: Microsoft | 2015 | 2014/10 | 4.12 | 04/20 | 05/26/1980 | Galileo Galilei
  1. Home
  2. Events
  3. Detail of event

Adding machine employing...

event · 05 February 1850 · 175 years ago

Adding machine employing depressible keys patented, New Paltz, New York

More events on 05 Feb

© 2016 OnThisDay.net All rights reserved.
Loaded in 0.0027s.