Thomas Kentish, The Pyrotechnist's Treasury; Or…
“ If the cracker is intended to be put into a jack-in-the-box, shell, or rocket head, push a bradawl up the mouth, [Pg 102] insert a bit of quickmatch, to project a quarter of an inch, and secure it with a little wetted meal, pressed in with a knife. The way of bending it is shown at fig. 69. It is not necessary that a cracker should contain very much powder; the loudness of the bang depends more upon the thickness of the paper than upon the quantity of the powder. So with maroons; more string and less powder, are better than more powder and less string. A very good paper for crackers is 30-lb. ”
