Published Resources Details Letters Patent

O'Kelly, J. and Collins, B. A.
Means of operating marine torpedoes
United States Patent Office, 21 August 1888

Specification forming part of Letters Patent No. 388,299. Application filed November 30 1887

Accession No.1341


"The invention relates, first, to means whereby, in the event of torpedoes encountering netting defences they shall be capable of attaching themselves thereto and of diving under the netting or jumping over the netting-boom and effectually strike the object aimed at. The invention relates secondly, to the means for preventing torpedoes from rotating around their axis and for causing them to remain at any previously-determined depth of immersion in the water."