Published Resources Details Letters Patent
- Title
- Projectile
- Imprint
- United States Patent Office, 2327
- Description
Specification forming part of Letters Patent No. 820,818. Application filed November 15 1904.
Accession No.1412
- Abstract
"The object of my invention is to provide a projectile having the means whereby the same will be exploded automatically should it sink subsequent to its forward movement to a predetermined level below the surface of the water."