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. Lunge'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. Muehlhaeusen 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, Lunge method, 219. Champion and Pellet's, 223. Schultze-Tieman, 224. Kjeldahl-Chenel's, 227. percentages of in various explosives, 228. Nitrometers, Lunge, 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.