CONTENTS. xi 



CHAPTER VII. 



Gun-cotton and nitrocelluloses Their composition Conditions and tests of 

 stability Heat of formation and of total combustion and of decomposition 

 Variation of products according to density of charge Gun-cotton 

 mixed with nitrates and chlorates .. +.. .. Page 444-460 



CHAPTER VIII. 



Picric acid and picrates Potassium picrate mixed with nitrate and with 

 chlorate 461-467 



CHAPTER IX. 



Diazo-compounds Mercury fulminate mixed with nitrate and with chlorate 

 Diazobenzene nitrate Sprengel acid explosives Perchloric ethers 

 Silver oxalate 468-476 



CHAPTER X. 



Powders with a nitrate base "Reactions between sulphur, carbon, their 

 oxides and salts Decomposition of the alkaline sulphites and hypo- 

 sulphites by heat The charcoals employed in the manufacture of 

 powder Total combustion powders Service powders Products of 

 combustion Theory of the combustion of powder Comparison between 

 theory and observation Sporting and blasting powder Powders with 

 sodium nitrate and barium nitrate base .. .. .. 477-517 



CHAPTER XI. 



Powders with chlorate base Dangers of chlorate powders Explanation of 

 their easy inflammation and shattering effects Comparison between 

 nitrate and chlorate powders 518-526 



CHAPTER XII. 



Conclusions Summary of the work .. .. .. .. .. 527-542 



APPENDIX. 



Abstracts of papers by MM. Berthelot and Vieille on "Detonating Gaseous 

 Mixtures," " The Rapidity of Detonation in Solid and Liquid Explosives," 

 "The Explosive Wave," "The Different Modes of Decomposition of 

 Picric Acid and Nitro Compounds " 543-553 



INDEX 555 



