---- ----, connections of, 100 Synopsis, 290 System, McEvoy's single main, 283 ---- of electrical testing, Armstrong's, 107 ---- ---- firing by observation, Prussian, 73 ---- ---- tests, object of, 84 T. T junction box, the, 53 Table, the Austrian testing, 108 Tables, Siemens' universal galvanometer, 287 ----, test, 99 Tactics with Harvey's torpedoes, 127 Telegraph batteries, 79 Telescope, shutter instrument and observing, 84 Tension dynamo machines, Siemens' low, 75 ---- fuses, testing high, 102 Term torpedo, definition of the, 115 Terms electro-positive and electro-negative, the, 271 Test battery, the Menotti, 79 ----, discharge, 103 ---- for electrical cables, insulation, 102 ---- of electrical resistance of cables, 104 ---- ---- insulated joints, electrical, 104 ---- ---- platinum wire fuze for conductivity, 101 ---- ---- resistance, 101 ---- tables, 99 Testing, Armstrong's system of electrical, 107 ----, Austrian method of, 109 ---- high tension fuzes, 102 ----, instruments used in, 85 ---- table, Austrian, 108 Tests after submersion, 106 ----, electrical, 85 ---- for insulation, sea cell, 106 ----, mechanical, 85 ----, object of a system, 84 ----, sea cell, 100 Theoretical knowledge of torpedoes, 8 Theory of detonation, the, 206 ---- ---- electricity, the, 265 Thermo galvanometer, the, 89 Thomson's quadrant electrometer, 86 ---- reflecting galvanometer, 87 Thornycroft's boat engines, efficiency of, 171 ---- method of carrying fish torpedoes, 140 ---- propeller, 170 ---- torpedo launches, 163 ---- ----, Austrian and French, 165 ---- ----, Danish and Swedish, 165 ---- ----, Dutch and Italian, 168 ---- ----, French, 169 ---- ----, Norwegian, 163 ---- ----, second class, 169 Three coil galvanometer, 88 Torpedo attacks, boat, 180, 191 ---- ----, methods of protecting ships against, 180 ---- boat, Lay's, 141 ---- ----, capabilities of, 147 ---- ----, an improved form of, 153 ---- ---- attack, Russian, at Batoum, 195, 202 ---- ---- ---- ---- Matchin, 196 ---- ---- ---- ---- Rustchuk, 200 ---- ---- ---- ---- Soukoum Kaleh, 201 ---- ---- ---- ---- Soulina, 198 ---- ---- ----, off the Aluta, 200 ---- ---- ----, the final, 203 ---- ---- experiment at Cherbourg, 170 ---- ---- for flotation, 171 ---- ---- _Lightning_, Thornycroft's, 168 ---- ---- protective, Fosberry's patent, 182 ---- boats, 162 ---- ----, Herreshoff's, 178 ---- ----, ordinary type of, 179 ---- ----, Schibau's Russian, 178 ---- ----, Yarrow's, 172 ---- ----, description of a, 172 ---- ---- Dutch, 172 ---- ---- English, 173 ---- ---- Russian, 172 ---- ---- Spanish, 175 ---- case, form and construction of, 31 ---- ----, conical shaped, 32 ---- ----, cylindrical shaped, 32 ---- ----, spherical shaped, 32 ---- charges, size of, 218 ---- defences, clearing a passage through, 111