Published Resources Details Letters Patent
- Title
- Certain improvements in screw propellers and their application to ships, boats and other vessels, and also in machinery or apparatus for actuating the same
- Description of Work
- Patent No 2584
- Imprint
- 23 June 1876
- Description
Accession No.1642
- Abstract
"Secondly. The application of double-acting screw propellers for propelling fish torpedoes."