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.