D.

Daniell's signalling battery, 78

Defects observed in the conductivity of cables, 103

---- of chemical fuses, 24

---- electrical submarine mines, 29

Defence of harbours by booms, 110

----, ship, 10

Defences, clearing a passage through torpedo, 111

Defensive purposes, Harvey's torpedo for, 129

---- torpedo operations, Russian, 193

---- ----, Turkish, 193

---- ---- warfare, 13

Definition and properties of a Voltaic cell, 269

---- of a condenser, 279

---- potential, 270

---- the ohm, 281

---- ---- term explosion, 204

---- ---- explosive force, 204

---- ---- polarization, 273

Description of a frictional electric machine, 278

---- ---- series of firing keys, 81

---- ---- Yarrow's torpedo boat, 172

---- ---- Calland's and Marié-Davy's batteries, 275

---- ---- Siemens' electric light apparatus, 241

---- ---- Whitehead's fish torpedo, 133

_Destroyer_, Ericsson's torpedo vessel, 160

Destruction of passive obstructions, the, 113

---- ---- the _Albemarle_, 191

---- ---- _Duba Saife_, 197

---- ---- _Suna_, 194

Detector galvanometer, the, 88

Detonating composition, Rain's, 23

Detonation, 206

---- experiments, Abel's, 216

----, theory of, 206

Dielectric, gutta percha as a, 38

----, meaning of, 279

Differential galvanometer, the, 88

Direction of current, 272

Directions for using the diving apparatus, 261

Discharge test, the, 103

Disconnector, the, 53

Diver, dressing the, 262

Divers, boots for, 261

----, breast plate for, 260

----, crinoline for, 261

----, helmet for, 260

----, ladder for, 260

Diving, 259

---- dress, the, 260

----, signals employed in, 263

_Dorothea_, Fulton's destruction of the, 4

Double fluid batteries, 274

---- ----, single and, 272

Drifting torpedoes, 116

---- ----, American extempore, 119

---- ----, Bushnell's, 2

---- ----, Fulton's, 5

---- ----, Lewis's, 117

---- ----, McEvoy's, 118

Dualin, 216

_Duba Saife_, destruction of the, 197

Duplex spar torpedo, McEvoy's, 154

---- ----, arrangement of wires in, 155

Dutch torpedo launches, Thornycroft's, 168

---- ----, Yarrow's, 172

Dynamite, 211

Dynamo-electric machines, methods of coupling, 254

---- machine, Siemens' low tension, 75

E.

Earth plates, Browne's arrangement of, 100

Effect compared, explosive force and, 204

Efficiency of Thornycroft's boat engines, 171

Electric cables, creeping for, 112

---- ----, Hooper's, 41

---- ----, insulated, 38

---- ----, insulation test for, 102

---- ----, jointing, 44

---- ----, Siemens', 40

---- ----, Silvertown, 41

---- circuit, closing the, 60

Electric circuit, the, 267

---- fuses, 33

---- lamps, automatic, 248

---- ----, Siemens' patent, 248

---- light apparatus, Siemens', 241

---- ----, conducting wires for, 247

---- ----, light produced by, 244

---- ----, rotation of armatures in, 246

---- ----, wear and tear of, 247

---- ----, application of the, 256

---- ----, concentration of the, 251

---- ----, precautions in manipulating, 252

---- ----, self-acting shunt for Siemens', 245

---- ----, the, 239

---- machine, description of a frictional, 278

---- machines, methods of coupling dynamo, 254

Electrical resistance of cables, test of the, 104

---- resistances, measuring, 93

---- submarine mines, 10, 27

---- ----, advantages of, 28

---- ----, defects of, 22

---- ----, mooring, 54

---- ----, rules for using, 29

---- test of insulated joints, 104

---- testing, Armstrong's system of, 107

---- tests, 85

Electricity, frictional, 278

----, methods of generating, 269

----, theory of, 265

Electro-contact mines, circuit closers for, 63

Electrolytes, 271

Electro-positive and electro-negative, the terms, 271

Electro-magnet, the, 281

Electro-mechanical mines, Russian, 68

Electrometers, 86

----, Thomson's quadrant, 86

Electro-motive force, 270

---- ----, Voltaic battery test for, 105

---- forces, comparing, 94

Employment of torpedo ships, the, 158

Engines, efficiency of Thornycroft's boat, 171

England, torpedo experiments in, 222

English service platinum wire fuse, the, 33

---- torpedo boats, Yarrow's, 173

Ericsson's torpedo vessel _Destroyer_, 160

Experiment at Cherbourg, torpedo boat, 170

---- with a torpedo boat, flotation, 171

Experiments, Abel's detonation, 216

---- by Professor Abel, 207

---- ---- Roux and Sarrau, 207

----, Colt's torpedo, 7

----, Fulton's practical, 5

----, torpedo, at Carlscrona, 220, 224, 232

---- ---- Chatham, 220

---- ---- Copenhagen, 223

---- ---- Kiel, 222

---- ---- Pola, 231

---- ---- Portsmouth, 229, 233

---- ----, Fulton's French, 3

---- ----, in Austria, 220

---- ---- England, 222

---- ---- Turkey, 232

---- with countermines, 235

---- ---- at Carlscrona, 237

---- ---- Stokes Bay, 236

---- ---- in the Medway, 236

Explosion, definition of the term, 204

Explosive agents, torpedo, 217

---- compounds, 208

---- force and effect compared, 204

---- ----, definition of the term, 204

---- mixtures, 208

---- substance, physical state of the, 204

Explosions, illustrated torpedo, 218

Extempore drifting torpedoes, American, 119

---- high tension fuzes, 37

---- ----, Fisher's, 37

---- mechanical mine, 21

F.

Failure of offensive torpedoes, the, 8

Fastest vessel in the world, the, 177

Final Russian torpedo boat attack, the, 203

Firing batteries, 75

---- by cross bearings, 70

---- ---- intersectional arcs, 71

---- ---- observation, 69

---- ---- preconcerted signal, 71

---- Harvey's torpedoes, mode of, 121

---- keys, 80

---- ----, description of a series of, 81

---- ----, Morse, 81

----, mode of, 205

---- ----, in 1829, 6

---- Whitehead torpedoes, Thornycroft's method of, 140

Fish torpedo, adjustments of Whitehead's, 136

---- ----, description of the, 133

---- ----, invention and adoption of the, 131

---- ----, methods of projecting the, 138

---- ----, the mode of ignition of the, 135

Fish torpedoes in war, employment of, 133

---- ----, Thornycroft's method of firing, 140

---- ----, Woolwich, 140

Fisher's extempore high tension fuze, 37

Floating torpedoes, 116

Flotation experiment with a torpedo boat, 171

Fluid batteries, double, 274

---- ----, single and double, 272

Fluid cell, action in a single, 273

Force compared, explosive effect and, 204

----, definition of the term explosive, 204

----, electro-motive, 270

----, Voltaic battery test for electro-motive, 105

Forces, comparing electro-motive, 94

Fore and aft mooring, 56

Form of Lay's torpedo boat, an improved, 153

---- ---- torpedo case, 31

Fosberry's patent torpedo boat protective, 182

Frame torpedoes, 18

Frames, projecting, 111

Franco-German war, torpedo operations during the, 192

---- ----, torpedoes in the, 13

French submarine boat _Plongeur_, 185

---- torpedo launches, Thornycroft's, 165, 169

---- towing torpedoes, 131

Frictional electric machine, description of a, 278

---- electricity, 278

Fulminate of mercury, 215

Fulton, Robert, 2

Fulton's attempt against the _Argus_, 6

---- block ship, 5

---- cable cutters, 5

---- destruction of the _Dorothea_, 4

---- drifting torpedoes, 5

---- failures, 2

---- French torpedo experiments, 3

---- harpoon torpedoes, 5

---- practical experiments, 5

---- return to America, 4

---- spar torpedoes, 5

---- stationary submarine mines, 5

Fuzes, Abel's, 37

----, Beardslee's, 35

----, chemical, 23

----, defects of chemical, 24

----, electric, 33

----, extempore, 37

----, extempore, Fisher's, 37

---- for conductivity, test of platinum wire, 101

----, high tension, 34

----, improved form of Jacobi's, 24

----, McEvoy's percussion, 24

----, percussion, 23

----, platinum wire, 33

----, ----, English service, 33

----, ----, McEvoy's, 34

----, sensitive, 23

----, Statham's, 35

----, test of resistance of platinum wire, 101

----, testing high tension, 102

----, Von Ebner's, 36

G.

Galvanometer, astatic, 87

----, detector, 88

----, differential, 88

----, tables, Siemens' universal, 287

----, thermo, 89

----, Thomson's reflecting, 87

----, three coil, 88

----, universal, Siemens', 89

Generating electricity, methods of, 269

German torpedo vessel _Uhlan_, the, 158

Gun, the Nordenfelt torpedo, 257

----, Hotchkiss torpedo, 259

Gun-cotton, 212

Gunpowder, 208

Guns, torpedo, 257

Gutta-percha as a dielectric, 38

H.

Harbours by booms, defence of, 110

Harpoon torpedoes, Fulton's, 5

Harvey's towing torpedo, 119

---- ----, brakes for, 123

---- ----, buoys for, 122

---- ----, for defensive purposes, 129

---- ----, launching, 123

---- ----, methods of attack with, 127

---- ----, mode of firing, 121

---- ----, tactics with, 127

---- ----, the value of, 129

Helmet for divers, 260

Herreshoff's torpedo boats, 178

High tension fuzes, 102

Hooper's electric cables, 41

---- material, 39

Horsley's powder, 216

Hotchkiss torpedo gun, the, 259

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

N.

Nicholl's metallic joint, 45

Nitro-glycerine, 209

Nordenfelt torpedo gun, the, 257

Norwegian torpedo launches, Thornycroft's, 163

O.

Observation, firing by, 69

---- ----, Prussian system of, 73

Observing telescope, shutter apparatus and, 84

Obstructions, destruction of passive, 113

----, Lay's torpedo in clearing away, 151

Offensive torpedo operations, Russian and Turkish, 195

---- ---- warfare still in its infancy, 115

---- torpedoes, failure of, 8, 11

---- ----, general remarks on, 156

Ohm, definition of the, 281

Ohm's law, application of, 276

Operations, torpedo, 187

---- ----, during the American civil war, 189

---- ---- Austrian war, 192

---- ---- Austro-Italian war, 188

---- ---- Crimean war, 187

---- ---- Franco-German war, 192

---- ---- Paraguayan war, 191

---- ---- Russo-Turkish war, 192

---- ---- defensive, Russian, 193

---- ----, Turkish, 193

---- ---- offensive, Turkish and Russian, 195

Ordinary type of torpedo boat, the, 179

Ottoman fleet, cause of failure of the, 14

Outrigger torpedoes, spar or, 154

P.

Papier maché safety plug, McEvoy's, 22

Paraguayan war, torpedo operations during the, 191

Passage through torpedo defences, clearing a, 111

Passive obstructions, destruction of, 113

Patent electric lamp, Siemens', 248

---- torpedo boat protective, Fosberry's, 182

Percussion fuzes, 23

---- ----, McEvoy's, 24

Permanent joint, Siemens', 47

---- magnets, 280

Physical state of the explosive substance, the, 204

Picric powder, 209

Planting submarine mines, rules to be observed in, 74

Plates, Brown's arrangement of earth, 100

----, connections of switch, 100

Platinum wire fuze for conductivity, test of, 101

---- ----, test of resistance of, 101

---- ---- fuzes, 33

---- ----, English service, 33

---- ----, McEvoy's, 34

_Plongeur_, French submarine boat, 185

Plug, Mathieson's cement safety, 21

----, McEvoy's papier maché safety, 22

Pola, torpedo experiments at, 231

Polarization, definition of the term, 273

Porter's torpedo ship _Alarm_, Admiral, 159

Portsmouth, torpedo experiments at, 229, 233

Potential, definition of, 270

----, Voltaic battery test for, 104

Powder, Horsley's, 216

----, picric, 209

Precautions in manipulating the electric light, 252

Primer, Abel's mechanical, 23

----, McEvoy's, 21

Projecting frames for torpedo ship defence, 111

---- Whitehead's fish torpedo, methods of, 138

Propeller, Thornycroft's screw, 170

Properties of a Voltaic cell, definition and, 269

Prussian system of firing by observation, the, 73

Q.

Quadrant electrometers, Thomson's, 86

Qualifications essential to submarine boats, the, 184

R.

Rain's detonating composition, 23

Reflecting galvanometer, Thomson's, 87

Reflector, Colt's, 7

Remarks on offensive torpedoes, general, 156

Resistance boxes, 97

---- of cables, test of electrical, 104

---- platinum wire fuze, test of, 101

----, Voltaic battery test for internal, 104

Resistances by Wheatstone's balance, measurement of, 98

----, circuit, 276

----, measuring electrical, 93

Rheostat, the, 96

Rope mooring, single, 56

Rotation of armatures in Siemens' electric light apparatus, 246

Roux and Sarrau, experiments by, 207

Rules in connection with submarine mines, 29

---- to be observed in forming cable joints, 51

---- ---- planting mines, 74

Russian and Turkish offensive torpedo operations, 194

---- defensive torpedo operations, 193

---- electro-mechanical mines, 68

---- torpedo boat attack at Batoum, 115, 202

---- ---- Matchin, 196

---- ---- Rustchuk, 200

---- ---- Soukoum Kaleh, 201

---- ---- Soulina, 198

---- ---- off the Aluta, 200

---- ----, the final, 203

---- ---- boats, Schibau's, 178

---- ---- launch, Yarrow's, 172

---- torpedoes, 193

Russo-Turkish war, torpedo operations during the, 192

---- ----, torpedoes during the, 14, 115

Rutschuk, Russian torpedo attack at, 200

S.

Safety cock arrangement, Steward's, 25

---- plug, Mathieson's cement, 21

---- ---- McEvoy's papier maché, 22

Schibau's Russian torpedo boats, 178

Science of torpedo warfare, the, 15

Sea cell test for insulation, 106

---- ---- tests, 100

---- service cables, 43

Second class torpedo launches, Thornycroft's, 169

Self-acting circuit closer, the Austrian, 64

Sensitive fuzes, 23

Service cables, land, 43

---- ----, sea, 43

---- platinum wire fuze, English, 33

Ship _Alarm_, Admiral Porter's torpedo, 159

---- defence, 10

----, Fulton's block, 5

Ships against torpedo attacks, methods of protecting, 180

----, employment of torpedo, 158

Shunt, definition of a, 95

---- for Siemens' electric light, self-acting, 245

Shutter apparatus, firing keys and, 80

---- ----, the, 82

---- used with a circuit breaker, 83

---- instrument and observing telescope, 84

Siemens' electric cables, 40

---- ---- light apparatus, 241

---- ----, conducting wires for, 247

---- ----, description of, 241

---- ----, power and light produced by, 244

---- ----, rotation of armatures in, 246

---- ----, self-acting shunt for, 245

---- ----, wear and tear of, 247

---- low tension dynamo machine, 75

---- patent electric lamp, 248

---- permanent joints, 47

---- universal galvanometer, 89

---- ---- tables, 287

Signal, firing by preconcerted, 71

Signals employed in diving, 263

Silvertown electric cables, 41

Singer's mechanical mine, 19

---- ----, McEvoy's improved, 20

Single and double fluid batteries, 272

---- cored armoured cables, 43

---- ---- unarmoured cables, 43

---- fluid cell, action in a, 273

---- main system, McEvoy's, 283

---- rope moorings, 56

Size of torpedo charges, 218

Soukoum Kaleh, Russian torpedo attack at, 201

Soulina, Russian torpedo attack at, 198

Spanish torpedo boats, Yarrow's, 175

Spar or outrigger torpedoes, 154

---- torpedo, McEvoy's duplex, 154

---- torpedoes, Fulton's, 5

Special cables, 43

Spherical shaped torpedo case, the, 32

Spiral spring circuit closer, Mathieson's, 63

Stake torpedoes, 18

State of the explosive substance, the physical, 204

Statham's high tension fuze, 35

Stationary mines, Fulton's, 5

Steward's safety cock arrangement, 25

Stokes Bay, experiments with countermines at, 236

Submarine boat, Bushnell's, 2, 184

---- ----, Confederate, 185

---- ----, French, 185

---- boats, 183

---- ----, qualifications essential to, 184

---- mines 13

---- ----, during the Crimean and American wars, 27

---- ----, rules for using, 29

---- ----, sweeping for, 112

---- ----, electrical, 27

---- ----, advantages of, 28

---- ----, defects of, 29

---- ----, mooring, 54

Submersion, tests after, 106

Success in torpedo warfare, elements of, 16

_Suna_, destruction of the Turkish vessel, 194

Swedish torpedo launch, Thornycroft's, 165

Sweeping for submarine mines, 112

Switch plates, commutators or, 96

---- ----, 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

---- 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

V.

Vessel _Destroyer_, Ericsson's torpedo, 160

---- in the world, the fastest, 177

---- _Uhlan_, the German torpedo, 158

Voltaic batteries, 79

---- battery, Leclanché's, 77

---- ----, Von Ebner's, 76

---- ----, test for electro-motive force, 105

---- ---- internal resistance, 104

---- ---- potential, 104

---- cell, definition and properties of a, 269

---- current, the, 70

Von Ebner's high tension fuze, 36

---- ---- Voltaic battery, 6

W.

War, employment of fish torpedoes in, 133

----, torpedo operations during the American civil, 189

---- ---- Austrian, 192

---- ---- Austro-Italian, 188

---- ---- Crimean, 187

---- ---- Franco-German, 192

---- ---- Paraguayan, 191

---- ---- Russo-Turkish, 192

----, torpedoes during the American civil, 115

---- ----, Russo-Turkish, 115

Warfare, defensive torpedo, 13

----, elements of success in torpedo, 16

----, science of torpedo, 15

---- still in its infancy, offensive torpedo, 115

Wars, submarine mines in the Crimean and American, 27

Wear and tear of Siemens' electric light apparatus, 247

Welden railway saved by torpedoes, the, 190

Wheatstone's balance, 97

---- ----, manipulation of, 99

---- ----, measurement of resistances by, 98

Whitehead's fish torpedo, 133

---- ----, adjustments of, 136

---- ----, capabilities of, 134

---- ----, methods of projecting, 138

---- ----, mode of ignition of, 135

Wire fuze for conductivity, test of platinum, 101

---- ----, test of resistance of platinum, 101

Wire fuzes, platinum, 33

---- ----, English service, 33

---- ----, McEvoy's, 34

Wires in McEvoy's spar torpedo, arrangement of, 155

Woolwich fish torpedo, the, 140

Y.

Yarrow's torpedo boats, 172

---- ----, English, 173

---- ----, Spanish, 175

---- ---- launch, description of a, 172

---- ---- launches, Dutch, 172

---- ----, Russian, 172

GRIFFIN AND CO.,

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Transcriber's Notes:

Obvious punctuation errors have been repaired. Varied hyphenation was

retained. The errors noted in the book's errata section have been

repaired in the text except for the final one for page 285 where the

transcriber could not find a "e" to change to a "d" at that location.

Text uses both fuse and fuze. "Fuze" is usually used in the English

language to mean more complicated fuses.

Inconsistencies in italic usage was retained. For example, on page 98,

"R" is referenced originally without italics in an equation and after

on the same page is italicized when mentioned.

Page 17, "principle" changed to "principal" (principal ones being)

Page 77, "16'" changed to "16"" (about 16" long, 9" deep)

Page 114, "Northerners'" changed to "Northerners'" (most of the

Northerners' vessels)

Page 132, "torpedos" changed to "torpedoes" (Whitehead's fish torpedoes

have)

Page 134, "14" changed to "140" (140 atmospheres)

Page 162, equal sign added to equation ((314 × 200) / 196 = 320 lbs)

Page 168, "THORNICROFT'S" changed "THORNYCROFT'S" on Plate XLVII.

Page 170, "THORNICROFT'S" changed "THORNYCROFT'S" on Plate XLVIII.

Page 199, "Poustchin" changed to "Poutschin" (Alongside Poutschin

remained for some)

Page 208, "spaces" changed to "space" (intervening space of)

Page 212, subscript for O in chemical formula was unreadable. "5" was

presumed and added. (the formula _CH_{7}(NO_{2})_{3}O_{5}_)

Page 240, "Seimens" changed to "Siemens" (due to both Dr. Siemens)

Page 241, "Seimens" changed to "Siemens" (that the Siemens machine)

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

Torpedoes and Torpedo Warfare Containing a Complete and Concise Account of the Rise and Progress of Submarine Warfare · 第 13 / 13 章