Published Resources Details Letters Patent
- Title
- Improvements in Screw Propulsion and in Machinery or Apparatus for actuating the same
- Description of Work
- Patent No 114
- Imprint
- 15 January 1861
- Description
- Accession No.1641 
- Abstract
- "This invention relates to the arrangement and construction of what are known as screw propellers for moving ships or vessels through water." 
