---- experiments at Carlscrona, 220, 224, 232 ---- ---- Chatham, 220 ---- ---- Copenhagen, 223 ---- ---- Kiel, 222 ---- ---- Pola, 231 ---- ---- Portsmouth, 229, 233 ---- ---- in Austria, 220 ---- ---- England, 222 ---- ---- Turkey, 232 ---- explosive agents, 217 Torpedo guns, 257 ---- ----, Hotchkiss, 259 ---- ----, Nordenfelt, 257 ---- invention and adoption of the fish, 131 ---- launches, Thornycroft's, 163 ---- operations, 187 ---- ---- during the Austro-Italian war, 188 ---- ---- Crimean war, 187 ---- ---- Franco-German war, 192 ---- ---- Paraguayan war, 191 ---- ---- Russo-Turkish war, 192 ---- ----, Russian defensive, 193 ---- ----, Turkish defensive, 193 ---- ---- and Russian offensive, 195 ---- ship _Alarm_, Admiral Porter's, 159 ---- ---- _Destroyer_, Ericsson's, 160 ---- ---- _Uhlan_, the German, 158 ---- ships, employment of, 158 ---- spar, McEvoy's duplex, 154 ---- ---- or outrigger, 154 ----, the term, 115 ---- warfare, defensive, 13 ---- ----, elements of success, 16 ---- ----, science of, 15 ---- ---- still in its infancy, offensive, 115 ----, Whitehead's fish, 133 ---- ----, adjustments of, 136 ---- ----, capabilities of, 134 ---- ----, methods of projecting, 138 ----, Woolwich fish, the, 140 ----, American extempore drifting, 119 ----, barrel, 19 ----, Brook's, 19 ----, Bushnell's drifting, 2 ---- ----, invention of, 2 ----, drifting, 116 ----, floating, 116 ----, frame, 18 ----, Fulton's drifting, 5 ---- ---- harpoon, 5 ---- ---- spar, 5 ----, general remarks on offensive, 156 ---- in war, the employment of fish, 133 ----, Lewis's drifting, 117 ----, locomotive, 131 ----, McEvoy's drifting, 118 ----, moral effect of, 9 ----, offensive, 11 ---- ----, failure of 8 ----, stake 18 ----, towing 119 ---- ----, French, 131 ---- ----, Harvey's, 119 ---- ----, methods of attack with, 127 ---- ----, the value of, 129 ---- ----, Mensing's, 130 ----, turtle 19 Turkey, torpedo experiments in, 232 Turkish defensive torpedo operations, 193 ---- monitor _Duba Saife_, destruction of the, 197 ---- offensive torpedo operations, 195 ---- ship _Suna_, loss of the, 194 ---- torpedoes, 193 ---- war, torpedoes during the Russo-, 115 Turk's head, McEvoy's mechanical, 53 Turtle torpedoes, 19 U. _Uhlan_, the German torpedo vessel, 158 Unarmoured cables, single cored, 43 Universal galvanometer, Siemens', 89 ---- ----, tables, 287 Use of circuit closers, the, 60