Published Resources Details Letters Patent

Author
Knapp, H.F.
Title
Improvement in torpedo-boats
Imprint
United States Patent Office., 1875
Description

Specification forming part of Letters Patent No. 158,501. Dated January 5, 1875; application filed September 23, 1873.

Accession No.1298

Abstract


"The object of this invention is to produce a self-propelling torpedo for submarine purposes that will retain its propelling power sufficiently long to be carried in a suitable direction, and any desired distance, against the object to be struck."