FURNITURE OF ROCKETS. 



thoroughly incorporated. The sand thni MI!JI' ured must be spread 

 over the mixture of saltpetre and charcoal, and the whole must be 

 mixed together uy spreading it over a taole with a spatula. 



CHAP. V. 



OF THE FURNITURE Or ROCKETS. 



1 HE upper part of rockets is genernlly furnished with some 

 composition, which taking fire when it has reached to its greatest 

 height, emits a considerable blaze, or produces a loud report, and 

 very often both these together. Of this kind are saucissons, 

 marroons, stars, showers of fire, &c. 



To make room for this artifice, the rocket is crowned with a part 

 of a greater diameter, called the pot. The method of making this 

 pot, and connecting it with the body of the rocket, is as follows. 



The mould for forming the pot, though of one piece, must consist 

 of two cylindric parts of different diameters. That on which the 

 pot is rolled up, must be three diameters of the rockets in length, 

 and its diameter must be three fourths that of the rdcket ; the 

 length of the other ought to be equal to two of these diameters, and 

 its diameter to that of the rocket. 



Having rolled the thick paper intended for making the pot, and 

 which ought to be of the same kind as that used for the rocket, 

 twice round the cylinder, a portion of it must be pinched in that 

 part of the cylinder which has the least diameter : this part must 

 be pared in such a manner, as to leav*> only what is necessary for 

 making the pot fast to the top of the rocket, and the ligature must 

 be covered with paper. 



To charge such a pot, attached to a rocket : having pierced three 

 or four holes in the double paper which covers the vacuity of the 

 rocket, pour over it a small quantity of the composition with which 

 the rocket is filled, aud by shaking it, make a part enter these 

 holes ; then arrange in the pot the composition with which it is to 

 be charged, taking care not to introduce into it a quantity heavier 

 than the body of the rocket. 



The whole must then be secured by means of a few small balls of 



