Published Resources Details Letters Patent
- Improvements in Subaquatic Projectiles
- Description of Work
- [Communicated from abroad by The Ericsson Coast Defence Company (Incorporated), in the City of New York, United States of America]
Patent No. 10,581. Date of application, 8th July, 1890 - Accepted, 13 September, 1890.
"This invention relates to that class of projectiles whose path is intended to be either entirely sub-aquatic, or partly aerial and partly sub-aquatic, and which may be fired from guns in fortifications, as well as from ships or other vessels."