Meal powder two pound, and charcoal four ounces and three quarters. For large Tourbillons. Meal powder two pound, saltpetre one pound, brimstone eight ounces, and beat iron eight ounces. N. B. Tourbillons may be made very large, and of different colour’d fires, only you are to observe, that the larger they be, the weaker must be the charge; and, on the contrary, the smaller they be, the stronger must be their charge. For Water Ballóóns. I. Saltpetre four pound, brimstone two pound, meal powder two pound, antimony four ounces, saw dust four ounces, and glass dust one ounce and a quarter. II. Saltpetre nine pound, brimstone three pound, meal powder six pound, rosin twelve ounces, and antimony eight ounces. For Water Squibs. I. Meal powder one pound, and charcoal one pound. II. Meal powder one pound, and charcoal nine ounces. For Mine-ports or Serpents. I. Meal powder one pound, and charcoal one ounce. II. Meal powder nine ounces, and charcoal one ounce. Port-fires for firing Rockets, &c. I. Saltpetre twelve ounces, brimstone four ounces, and meal powder two ounces. II. Saltpetre eight ounces, brimstone four ounces, and meal powder two ounces. III. Saltpetre one pound two ounces, meal powder one pound and a half, and brimstone ten ounces. This composion must be moistened with one gill of linseed oil. IV. Meal powder six ounces, saltpetre two pound two ounces, and brimstone ten ounces. V. Saltpetre one pound four ounces, meal powder four ounces, brimstone five ounces, and saw dust eight ounces. VI. Saltpetre eight ounces, brimstone two ounces, and meal powder two ounces. Port-fires for Illuminations. Saltpetre one pound, brimstone eight ounces, and meal powder six ounces. For Cones or Spiral Wheels. Saltpetre one pound and a half, brimstone six ounces, meal powder fourteen ounces, and glass dust fourteen ounces. For Crowns or Globes. Saltpetre six ounces, brimstone two pound, antimony four ounces, and camphor two ounces. For Air Ballóón Fuzes. I. Saltpetre one pound ten ounces, brimstone eight ounces, and meal powder one pound six ounces. II. Saltpetre one pound and a half, brimstone eight ounces, and meal powder one pound eight ounces. Serpents for Pots des Brins. 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.