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

reversing rudder (technology)

science · 04 February 1915 · 109 years ago

reversing rudder John G. A. Kitchen patents the reversing rudder.

More science on 04 Feb

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