Meal powder one pound eight ounces, saltpetre twelve ounces, and charcoal two ounces.
For Fire Pumps.
I. Saltpetre five pound, brimstone one pound, meal powder one pound and a half, and glass dust one pound.
II. Saltpetre five pound eight ounces, brimstone one pound, meal powder one pound eight ounces, and glass dust one pound eight ounces.
For a Slow White Flame.
I. Saltpetre two pound, sulphur three pound, antimony one pound.
II. Saltpetre three pound and a half, sulphur two pound and a half, meal powder one pound, antimony half a pound, glass dust four ounces, brass dust one ounce.
N. B. These compositions, driven one inch and a quarter in a one ounce case, will burn one minute, which is much longer time than an equal quantity of any composition will last, that has yet been made public.
For Amber Lights.
Meal powder nine ounces, and amber three ounces. This charge may be drove in small cases, for illuminations.