Composition for Squibs, Etc.
Gunpowder, half a pound; charcoal, 1 ounce; brimstone, 1 ounce, or in like proportion; grind them in a muller or pound them in a mortar. Or you may take 1 part steel filings, 1 charcoal, 1 sulphur, and 4 powder, which is a very good mixture, and can be rubbed together in a mortar.