Published Resources Details Letters Patent
- Title
- Propeller for Steam Navigation
- Description of Work
- Patent No 7149
- Imprint
- 1836
- Description
Accession No.1637
- Abstract
John Ericsson's 1836 patent application relating to contra-rotating propellers.
Accession No.1637
John Ericsson's 1836 patent application relating to contra-rotating propellers.