INDEX.

Abel's, Sir Frederick, method of manufacturing gun-cotton, 57.

Abel's heat test, 249.

Acid mixture for nitrating nitro-glycerine, 23.

Air pressure in nitrator, 28.

Alkalinity in nitro-cellulose, 217.

Amberite, 189.

Ammonite, 149.

Analyses of collodion-cotton, 81. gelatine dynamites, 123.

Analysis of explosives, 197. acetone, 209. blasting gelatine, 199. cap composition, 241. cordite, 206. celluloid, 230. dynamite, 197. forcite, 202. fulminate, 240. glycerine, 233. gun-cotton, 212. nitric acid, 24. picric acid, 230. tonite, 205. waste acids, 239.

Armstrong on the constitution of the fulminates, 159.

Atlas powder, 119.

Auld on acetone, 211.

Axite, 176.

Ballistite, 179.

Beater or Hollander for pulping gun-cotton, 64.

Bedson, Prof., on roburite explosion gases, 140.

Bellite, 142.

Benzene, explosives derived from, 132.

Benzene, mono-nitro- and di-nitro-benzene, 134.

Bergmann and Junk on nitro-cellulose tests, 268.

Bernthsen summary of nitro-benzenes, 133.

Blasting gelatine, 119.

Blasting charge, preparation of, 166.

B.N. powder, 190.

Boiling-point of N.G., 19.

Boutnny's nitro-glycerine process, 15.

Brown on wet gun-cotton, 56.

Brugère's powder, 195.

Bucknill's resistance coil, 13.

Calculation of volume of gas evolved in an explosive reaction, 276.

Cannonite, 189.

Cellulose, 2, 47.

Celluloid manufacture, 91. analysis, 230. cartridges, 91. uses of, 90. Field's papers on, 93. fibre for, 94. nitration of fibre, &c., 95. formula of, 57.

Champion and Pellet's method of determining nitrogen, 223.

Chenel's modification of Kjeldahl's method, 227.

Collodion-cotton, 79.

Comparative tests of black and nitro-powders, 193.

Compressing gun-cotton, 77.

Composition of waste acids from nitro-glycerine, 43.

Composition of some common explosives, 290.

Conduits for nitro-glycerine, 7.

Cooppal powder, 5, 189.

Cordite manufacture, 169. analysis, 206.

Cresilite, 158.

Cross and Bevan on nitro-jute, 107.

Crusher gauge, 284.

Cundill, Colonel, classification of dynamites, 112.

Danger area, 5.

Dangers in the manufacture of gun-cotton, 85.

Decomposition of cellulose, 54.

Definition of explosives in Order of Council (Explosives Act), 1.

Determination of N_{2}O_{4} in nitric acid, 24.

Determination of strength of H_{2}SO_{4}, 25.

Determination of relative strength of explosives, 272.

Detonators, 163.

Di-nitro-toluene, 138.

Dipping cotton in manufacture of gun-cotton, 60.

Divers and Kawakita on the fulminates, 159.

Dixon, Prof. H.B., on roburite explosions, 139.

Drying house for gun-cotton, 122.

Dynamite, efficiency of, 118. frozen dynamite, 116. gelatine dynamite, 119. properties of kieselguhr dynamite, 116. Reid & Borland's carbo-dynamite, 119. Rhenish dynamite, 119. various kinds of, 119.

E.C. powder, 186.

Electronite, 151.

Emmensite, 195.

Equation of formation of nitro-glycerine, 16.

Equation of formation of nitro-cellulose, 50.

Exploders, electric, 167.

Explosion gases of dynamite, 19. nitro-glycerine, 18. gun-cotton, 55. roburite, 139.

Exudation test gelatines, 257.

Faversham powder, 147.

Favier's explosive, 149.

Field on celluloid, 93, 99.

Firing-point of explosives, 247.

Filite, 180.

Filtering nitre-glycerine, 37.

Flameless explosives, 89, 138, 144.

Formation of white matter in the nitration of N.G., 39.

Forcite, 119.

France, 82.

Free fatty acid in glycerine, 39, 235.

Freeing nitric acid from N_{2}O_{4}, 25.

Freezing-point of N.G., 21.

French Commission on Ammonium Nitrate, 142.

Fulminates constitution, 159.

Fulminate of mercury, 159, 240.

Fulminate of silver, 161.

Fuses, various kinds of, 166.

Gases formed by the decomposition of nitro-glycerine, 18.

Gelatine explosives, analysis of, 199.

Glycerine, analysis of, 233. formula of, 16. nitration of, 23.

Greiner's powder, 190.

Gun-cotton, analysis of, 212. boiling, 64. complete series of, 52, 54. compressing, moulding, and packing, 67, 77, 78. dipping and steeping the cotton, 60. drying the cotton, 58. granulation of, 79. manufacture of, 57. Abel's method, 57. Stowmarket, 57. Waltham Abbey, 71. products of decomposition of, 55. properties of, 54. pulping, 65. washing, 63. as a mining explosive, 56.

Guttmann's nitric acid plant, 45.

Guttmann's heat test, 256.

Handy's method for determining moisture in dynamite, 197.

Hannah, Dr N., on roburite explosion gases, 139.

Heat developed by explosives containing nitro-glycerine, &c., 288.

Heat test, Abel, 249.

Hellhoffite, 152.

Henrite powder, 191.

Hollander, 65.

Horsley's apparatus, 248.

Hydro-extractors for wringing out gun-cotton, 62.

Impurities in commercial glycerine, 39, 233.

Impurities in fulminate, 240. nitro-glycerine, 38. picric acid, 231.

Ketones as solvents for pyroxyline, 101.

Kieselguhr dynamite, 112.

Kinetite, 145.

Kjeldahl method of determining nitrogen, 227.

Le Bouchet, manufacture of gun-cotton at, 78.

Lead cylinders for testing strength of explosives, 281.

Lenk's improvements in gun-cotton manufacture, 49.

Lewes on the pressure of cordite, 175.

Leibert's treatment of nitro-glycerine, 30.

Lightning conductors for danger buildings, 10.

Liquefaction test for gelatine, 257.

Lodge on lightning conductors, 8.

Lowering of freezing-point of N.G., 21.

Lungé's nitrometer, 219.

Lydite, 156.

Manufacture of gun-cotton, 57.

Manufacture of nitro-glycerine, 17. cordite, 169. roburite, 140. fulminates, 162. tonite, 84. di-nitro-benzene, 138. nitro-starch, 103. celluloid, 91.

Majendie (Col. Sir V.D.), report on a picric acid explosion, 155.

Maximite, 191.

Maxim's detonator mixture, 165.

M'Robert's mixing machine, 126.

Mechanical equivalent of explosives, 273.

Melinite, 156.

Mono-nitro-glycerine, di-nitro-nitro-glycerine, 41.

Moulding gun-cotton, 77.

Mounds for protection of danger buildings, 6.

Mortar for ballistic tests, 275.

Mowbray on use of compressed air, 15.

Mühlhäusen on nitro-starch, 4, 5, 103.

Nathan's nitrator, 32.

Nitric peroxide in N.G., 24.

Nitration products of cellulose, 52, 54.

Nitro-glycerine, analysis of, 198. properties, 17. nitration, 23. separation, 35. washing, 37. uses of, 41. manufacture of, 17.

Nitro-benzene, properties and manufacture of, 132, 137.

Nitro-cellulose, 2, 47, 60, 212.

Nitro-jute, 5, 107.

Nitro-mannite, 4, 109.

Nitro-naphthalene, 148.

Nitro-starch, 4, 103.

Nitro-toluene, 132.

Nitrated gun-cotton, 83.

Nitrogen, determination of, Lungé method, 219.
Champion and Pellet's, 223.
Schultze-Tieman, 224.
Kjeldahl-Chenel's, 227.
percentages of in various explosives, 228.

Nitrometers, Lungé, Horn's, &c., 220, 222.

Nobel's ballistic test, 274.

Noble's pressure gauge, 282. experiments on cordite, 172.

Normal powder, 191.

Oleic acid in glycerine, 236.

Orsman on roburite, 142.

Oxonite, 152.

Oxy-cellulose, 102.

Packing gun-cotton, 78. dynamite, 116.

Page's regulator, 260.

Panclastite, 152.

Percentage composition of nitro-glycerine, 18.

Perkin on magnetic rotation of nitro-glycerine, 19.

Phenol, tri-nitro-phenol, 152.

Picric acid, 152, 231. powders, 157, 189.

Picrates, 154, 231.

Polarised light and nitro-cellulose, 218.

Position of the NO_{2} group in nitro-explosives, 2, 3, 16.

Prentice's nitric acid plant, 43.

Pressure gauge, 282.

Primers of gun-cotton, 166.

Properties of dynamite, 116. gelatine compounds, 130.

Pulping gun-cotton, 65.

Pyroxyline for celluloid, 96. solvents for, 101.

Quinan's foot-pound machine, 280.

Raoult's law and N.G., 21.

Reworked gun-cotton, 78.

Rhenish dynamite, 119.

Roburite, properties and manufacture of, 138. Bedson's report on, 140. Orsman on gases produced by explosion of, 142.

Romit, 148.

Sarrau and Vieille, gases obtained from ignition of dynamite, 19.

Sayers, 50.

Scheme for analysis of explosives, 213.

Schultze's powder, 183.

Schultze-Tieman method of determining nitrogen, 224.

Securite, 144.

Separation of nitro-glycerine from mixed acids, 35.

Shimose, 156.

Silver test for glycerine, 233.

Smokeless powders, 168.

Smokeless diamond, 190.

Snyder's powder, 193.

Sobrero discovered nitro-glycerine, 14.

Sodium nitrate, analysis of, 239.

Soluble and insoluble nitro-cellulose, 51.

Solubility of nitro-glycerine, 20.

Solvents for soluble gun-cotton, 52, 101.

Solubility test for gun-cotton, 214.

Specific gravity of explosives, 270.

Sprengel's explosives, 151.

Stowmarket, manufacture of gun-cotton at, 57.

Sulphuric acid, determination of strength of, 24.

Sy on test for nitro-cellulose, 269.

Temperature of nitration of nitro-glycerine, 29.

Thomson's patents, 73.

Toluene, 146.

Tonite, 84, 146. analysis of, 205. fumes from, 85.

Treatment of waste acids, 43.

Trench's fire-extinguishing compound, 88.

Trebouillet and De Besancele on celluloid manufacture, 92.

Tri-nitro-cresol, 158.

Tri-nitro-toluene, 146.

Tri-nitro-phenol, 152.

Tri-nitro-glycerine, 2, 14.

Troisdorf powder, 191, 192.

Turpin's melinite, 156.

U.S. naval powder, 180.

Uses of celluloid, 91, 93, 102.

Uses of collodion-cotton, 90.

Vaseline, 208.

Vielle poudre, 190.

Volney's powder, 148.

Von Foster's powder, 191.

Walsrode powder, 188.

W.A. powder, 182.

Waltham Abbey, manufacture of gun-cotton at, 71. manufacture of cordite at, 169.

Walke's pressure gauge results, 289.

War Office experiments with cordite, 173.

Washing gun-cotton, 63. nitro-glycerine, 37.

Waste acids from nitro-glycerine, 41, 226.

Weltern powder, 191.

Werner & Pfleiderer's mixing machine, 124.

Whirling out the acids from gun-cotton, 62.

Will's test for nitre-cellulose, 261.

Wood pulp, 126.

Xylonite Company's process, 96.

Zenger's lightning conductors, 11.

Printed at THE DARLEN PRESS, Edinburgh.