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

Webb C. Ball (technology)

science · 02 January 1893 · 131 years ago

Webb C. Ball Webb C. Ball introduces railroad chronometers which become the general railroad timepiece standards in North America.

More science on 02 Jan

© 2016 OnThisDay.net All rights reserved.
Loaded in 0.0034s.