News

THE screw-propeller was practically applied to steamships by John Ericsson and Francis Petit Smith about seventy years ago. It speedily became formidable rival to the paddle-wheel. Long ago it ...
The S.S. Archimedes (1838) was fitted with a double-threaded screw of half a turn, in accordance with Smith's amended patent. Other historical exhibits include models of Ericsson's experimental ...