INDEX. 



559 



Gun-cotton with ammonium nitrate, 

 453 



with potassium nitrate, 456 



and chlorate, 460 



H 



Halogen elements, 344 



and alkalis, 362, 363 



Haloid salts, 131 



HASENBACH on nitrogen trioxide, 196 

 HAUTEFEUILLE on potassium nitrate, 

 160 



on ozone, 384 



on nitrogen chloride, 405 



HAWKSBEE on powder fusing, 48 

 Heat, absorption, 3 



hi reaction, 10, 11, 14 



, summation of, 13 



, explosive measure of, 14 



and oxidising agents, 134 



of organic compounds, 134 



of fusion, 139 



, volatilisation of, 140 



, specific, 19, 141-143 



HEEREN on nitroglycerin, 48 

 HENRY on ignition, 62, 65 



on impact, 21 



HESS on potassium nitrate, 160 



on blasting gelatin, -143 



HIRN on specific heat, 19 



on mixed pressure, 391 



HOFFMAN. See BUFF 

 Holz machine, 223, 229 

 HORSLEY on temperatures of powder, 

 493 



HUGONIOT on powder, 16, 17 



Hydrates, 134 



Hydrations of organic compounds, 260 



Hydrocarbons, 136, 138 



Hydrochloric and hydrocyanic acids, 

 320 



Hydrocyanic acid, 329, 341 



, heat of formation, 308, 313 



, conversion of, 302 



, vaporisation of, 309 



Hydroferrocyanides, 317 



Hydrogen, arseniuretted, 72, 73 



, vibrations of, 85, 86 



Hydroxylamine, 245 



, derivation of, 245 



, apparatus for, 245 



, decomposition, 248 



, reactions, 249 



, constitution, 252 



, temperature, 253 



Hypobromite, 358, 359 



Hypobromous acid, 358 



Hypochlorous gas, detonation of, 67 



Hypoiodite, 359 



, formation of, 359, 360 



, final product of, 360 



Hyponitrites, 185 



Hyponitrous acid, formula of, 185 



Hyponitrous acid, formation of, 186 

 , heat of formation of, 188 

 , heat of neutralisation of, 189 



HUYGHENS on ignition of powder, 48 



I 



Iboz dynamite, 436 

 Inflammation, propagation of, 56 



, influence of initial, 109 

 lodates, 126, 358 

 lodic acid, 360 

 Isomeric mixtures, 105 



JOANNIS on cyanides, etc., 300 

 Joule's law, 19, 121 



K 



KAROLYI on gun-cotton, 350 



on powders, 477 



on ordnance and rifle powder, 510 

 Kieselguhr, silicious earth, 436, 441 

 KOENIG on ozone vibrations, 85 

 KOPP on specific heats, 143 



on nitrobenzene, 270 



KUHLMAKN on oxidation, 208 



LAMBERT on dynamite cartridges, 82 



LAPLACE, ice calorimeter of, 145 



on heat relation, 115 



Latent heat, 140 



LAVOISIER on heat relation, 115 



, ice calorimeter of, 145 - 



on oxygen. 160 



LAWES, agricultural experiments of, 

 235 



LE CHATELIEK on combustion velocity, 

 50 



on the regime of ordinary com- 

 bustion, 113 



on gaseous pressures, 389, 391 



on combustible dusts, 401 



Lead, explosions in a block of, 374, 

 434 



Leclanche cells, 231 



LINCK on gun-cotton, 444 



on powders, 477 



on potassium hyposulphite, 497 



on cannon powder, 510 



Liebig tube, 157 



Liquefied gases, etc., 396 



, table of, 398 



LONGCHAMP on absorption of nitrogen, 

 218 



LOUGUININE on nitroglycerin, 282 



on glycol, 285 



Lycopodium, 494 



