Page 271, this paragraph seems to be missing a word but was retained as printed as the word could not be presumed by research. "Oxygen" is the most important element of an electrolyte, and to the _affinity for oxygen of the metals_ is the magnitude of the result and effect. Page 298, "Calland" changed to "Callaud" (Calland and Marié-Davy) Page 302, "dislectric" changed to "dielectric" (Gutta-percha as a dielectric) Page 11, advertising page, "Portsmouth." added to publisher line at bottom of page. Original ended with (_Griffin & Co Publishers, 2, The Hard,_) End of Project Gutenberg's Torpedoes and Torpedo Warfare, by C. W. Sleeman