iv CONTENTS OF VOL. VI. 



(Imp. 



SECT. iv. Rupert's Drops : Batavinn Tears : Bologuian Phial 166 



XIII. On Ciuiipowd.-r . . Ifis 

 SECT. i. Of the Time when Gunpowder was first discovered ib. 



ii. Composition and Analysis of Gunpowder 174 



XIV. Fulminating Powders . 184 

 SECT. i. Common Fulminating Powder . ib. 



ii. Fulminating Gold 



iii. Fulminating Silver . . ib. 



ivj Fulminating Mercury . 186 



T. Azotane, or the Detonating Substance of M. Dulong 2O7 



BOOK II. 

 PYROTECHNY, or ART of constructing FIRE-JVORKS. 



I. Construction of the Cartridges of Rockets C 1C 



II. Composition of the Powder for Rockets and the 



Manner of filling them . . CIS 



III. On the Ascent of Rockets into the Air '221 



IV. Brilliant Fire and Chinese Fire . <222 



V. Of the Furniture of Rockets . . 224 

 SKCT. i. Serpents . . . 225 



ii. Marroons . . . 226 



iii. Saucissons . ib. 



iv. Stars . . . 227 



v. Showers of Fire . 229 



vi. Sparks . . . 230 



vii. Golden Rain . . . ib. 



VI. Rockets of peculiar Construction . <2.>l 

 SECT. i. Courantains, or Rockets which Fly along a Rope ib. 



ii. The same made to turn round at the same time 232 



iii. Rockets which burn in the Water . jfo. 

 iv. Figures represented in the Air by means of Rockets 234 



v. Rockets which ascend in the form of a Screw 235 



VII. Of Globes and Fire-Bails . . ib; 

 SKCT. i. Globes which burn in the Water . 035 



ii. Globes which Leap or Roll on the Ground 237 



iii. Aerial Globes or Bombs * . 238 



VIII. Jets of Fire . . . 049 

 SECT, i. Fires of different Colours . . 242 



ii. Fa->(e for representing Animals and other Devices in 



Fire . . . 243 



iii. Sun, fixed and moveable . 244 



