I.
- Ignition, Bushnell's mode of, [2]
- —— of Whitehead's fish torpedo, mode of, [135]
- Illustrated torpedo explosions, [218]
- Improved form of Lay's torpedo, an, [153]
- India rubber tube joint, the, [45]
- Inertia circuit closer, Mathieson's, [61]
- —— ——, improvements in, [63]
- Instrument and observing telescope, shutter, [84]
- Instruments used in testing, [85]
- Insulated electric cables, [38]
- —— joints, electrical test of, [104]
- Insulation, sea cell tests for, [106]
- —— test for electric cables, [102]
- Insulators, [268]
- Intensity of a current, measuring the, [95]
- Internal resistance, Voltaic battery test for, [104]
- Intersectional arcs, firing by, [71]
- Invention and adoption of the fish torpedo, the, [131]
- Italian torpedo launches, Thornycroft's, [168]
J.
- Jacobi's fuze, improved form of, [24]
- Jar, the Leyden, [279]
- Jointing electric cables, [44]
- Joints, Beardslee's, [46]
- ——, electrical test of insulated, [104]
- ——, india rubber tube, [45]
- ——, Mathieson's, [45]
- ——, McEvoy's, [46]
- ——, Nicholl's metallic, [45]
- ——, rules to be observed in forming, [51]
- ——, Siemens' permanent, [47]
- Jones, the loss of the Commodore, [189]
- Junction boxes, [51]
- —— —— for multiple cables, [52]
- —— —— single cored cables, [52]
- —— ——, T, [53]
K.
- Keys, firing, [80]
- —— ——, description of a series of, [81]
- —— ——, Morse, [81]
- Kiel, torpedo experiments at, [222]
- Knowledge, theoretical, [8]
L.
- Ladder for divers, [261]
- —— mooring, [55]
- Lamps, automatic electric, [248]
- ——, Siemens' patent electric, [248]
- Land service cables, [43]
- Launch, description of a Yarrow torpedo, [172]
- —— for placing moorings, steam, [58]
- Launches, Thornycroft's torpedo, [163]
- —— —— Austrian and French torpedo, [165]
- —— —— Dutch and Italian torpedo, [168]
- —— —— French torpedo, [169]
- —— —— Norwegian torpedo, [163]
- —— —— Swedish and Danish torpedo, [165]
- ——, Yarrow's Dutch torpedo, [173]
- —— —— Russian torpedo, [172]
- Launching Harvey's torpedo, mode of, [123]
- —— Lay's torpedo boat, [147]
- Law, the application of Ohm's, [276]
- Lay's torpedo boat, [141]
- —— ——, an improved form of, [153]
- —— ——, capabilities of, [147]
- —— ——, launching, [147]
- —— ——, method of sinking and raising, [149]
- —— ——, used as a tug, [150]
- —— ——, in clearing obstructions, [151]
- —— ——, to clear away mines, [152]
- Leclanché's Voltaic battery, [77]
- Lewis's drifting torpedo, [117]
- Leyden jar, the, [279]
- Light, Siemens' electric, [241]
- —— ——, conducting wires for, [247]
- —— ——, concentration of, [251]
- —— ——, precautions in manipulating, [252]
- —— ——, rotation of armatures in, [246]
- —— ——, wear and tear of, [247]
- ——, the electric, [239]
- —— ——, application of, [256]
- Lightning, Thornycroft's torpedo boat, [168]
- Lithofracteur, [216]
- Locomotive torpedoes, [131]
- Loss of the Cairo, [189]
- —— —— Commodore Jones, [189]
M.
- Machine, description of a frictional electric, [278]
- ——, Siemens' low tension dynamo-electric, [75]
- Machines, methods of coupling dynamo-electric, [254]
- Magnet, the electro, [281]
- Magnetism, [279]
- Magneto circuit closer, McEvoy's weight, [66]
- Magnets, permanent, [280]
- Main system, McEvoy's single, [283]
- Manipulation of Wheatstone's balance, the, [98]
- Marié-Davy battery, description of the, [275]
- Matchin, Russian torpedo boat attack at, [196]
- Material, Hooper's insulating, [39]
- Mathieson's cement safety plug, [21]
- —— circuit closer, inertia, [61]
- —— ——, improvements in, [63]
- —— ——, spiral spring, [63]
- —— joint, [45]
- McEvoy's drifting torpedo, [118]
- —— duplex spar torpedo, [154]
- —— improved Singer's mine, [20]
- —— joint, [46]
- —— mechanical mine, [22]
- —— —— primer, [21]
- —— —— Turk's head, [53]
- —— mercury circuit-closer, [65]
- —— papier maché safety plug, [22]
- —— percussion fuzes, [24]
- —— platinum wire fuzes, [34]
- —— single main system, [283]
- —— weight magneto circuit-closer, [66]
- Measurement of resistance by Wheatstone's balance, [98]
- Measuring electrical resistances, [93]
- —— the intensity of a current, [95]
- Mechanical mines, [10], [16]
- —— ——, advantages of, [17]
- —— ——, best kinds of, [17]
- —— ——, extempore, [21]
- —— ——, for coast defence, [16]
- —— ——, in the American war, [16]
- —— ——, McEvoy's, [22]
- —— —— improved Singer's, [20]
- —— ——, mooring, [26]
- —— ——, Russian electro, [68]
- —— ——, Singer's, [19]
- Mechanical primer, Abel's, [23]
- —— ——, McEvoy's, [21]
- —— tests, [85]
- Medway, experiments with countermines in the, [236]
- Menotti cell, description of the, [78]
- —— test batteries, [79]
- Menzing's towing torpedo, [130]
- Mercury circuit-closer, McEvoy's, [65]
- ——, fulminate of, [215]
- Metallic joint, Nicholl's, [45]
- Method of carrying fish torpedoes, Thornycroft's, [140]
- —— —— sinking and raising Lay's torpedo, [149]
- —— —— testing, the Austrian, [109]
- Methods of attack with Harvey's torpedoes, [121]
- —— —— coupling dynamo-electric machines, [254]
- —— —— generating electricity, [269]
- —— —— protecting ships against torpedo attacks, [180]
- —— —— projecting Whitehead's fish torpedo, [135]
- Mines, submarine, electrical, [10], [27]
- —— ——, advantages of, [28]
- —— ——, defects of, [29]
- —— ——, mooring, [54]
- —— ——, in the American war, [27]
- —— ——, electro-contact, circuit-closers for, [63]
- —— ——, Fulton's stationary, [5]
- —— ——, mechanical, [10], [16]
- —— ——, advantages of, [17]
- —— ——, extempore, [21]
- —— ——, McEvoy's, [22]
- —— ——, improved Singer's, [20]
- —— ——, mooring, [26]
- —— ——, Russian electro, [68]
- —— ——, Singer's, [19]
- —— ——, rules to be observed in planting, [74]
- —— ——, sweeping for, [112]
- Mixtures, explosive, [208]
- Mode of firing Harvey's torpedoes, [121]
- —— ——, in 1829, [6]
- Monitor Duba Saife, destruction of the Turkish, [197]
- Mooring, Austrian method of, [56]
- —— electrical submarine mines, [54]
- ——, fore and aft, [56]
- ——, ladder, [55]
- ——, launch for placing, [58]
- Mooring mechanical mines, [26]
- ——, single rope, [56]
- Morse firing keys, [81]
- Multiple cables, [43]
- —— ——, junction boxes for, [52]