Published Resources Details Letters Patent

Author
Niehoff, E
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."