Search examples: Microsoft | 2015 | 2014/10 | 4.12 | 04/20 | 05/26/1980 | Galileo Galilei

rolling lift bridge (technology)

science · 01 May 1893 · 131 years ago

rolling lift bridge William Scherzer (dies July 20, 1893) files a patent for his design of rolling lift bridge.

More science on 01 May