Invention or Discovery: Twin-Screw Propellers
Invention: Application of twin-screw propellers in steam navigationDate: 1804
Inventor: John Stevens
Birthplace: United_States
| Index
| Invention or Discovery: Twin-Screw PropellersInvention: Application of twin-screw propellers in steam navigationDate: 1804 Inventor: John Stevens Birthplace: United_States
|
|