TAB. I.
| Weight of the ball. | Diameter of the mould. | powder. | Saltpetre | Brimstone | charcoal. | |||||||
| lb. | oz. | in. | 1. | pts | lb. | oz. | lb. | oz. | lb. | oz. | lb. | oz. |
| ½ | 0 | 6 | 3 | } 0 | 15 | 0 | 0 | 0 | 0 | 0 | 2 | |
| 1 | 0 | 7 | 8 | |||||||||
| 2 | 0 | 9 | 7 | } 0 | 12 | 0 | 2 | 0 | ½ | 0 | 1½ | |
| 3 | 0 | 11 | 0 | |||||||||
| 4 | 1 | 0 | 1 | |||||||||
| 5 | 1 | 1 | 0 | } 1 | 3 | 0 | 12 | 0 | 4 | 0 | 1½ | |
| 6 | 1 | 1 | 10 | |||||||||
| 7 | 1 | 2 | 7 | |||||||||
| 8 | 1 | 3 | 4 | |||||||||
| 9 | 1 | 3 | 11 | |||||||||
| 10 | 1 | 4 | 5 | |||||||||
| 11 | 1 | 5 | 0 | |||||||||
| 12 | 1 | 5 | 5 | |||||||||
| 13 | 1 | 6 | 0 | |||||||||
| 14 | 1 | 6 | 5 | |||||||||
| 16 | 1 | 7 | 3 | 18 | 0 | 8 | 0 | 2 | 0 | 4 | 0 | |
| 2 | 0 | 2 | 0 | 3 | } 0 | 0 | 60 | 0 | 2 | 0 | 15 | 0 |
| 3 | 0 | 2 | 3 | 7 | ||||||||
| 4 | 0 | 2 | 6 | 9 | } 0 | 0 | 64 | 0 | 8 | 0 | 16 | 0 |
| 5 | 0 | 2 | 8 | 8 | ||||||||
| 6 | 0 | 2 | 10 | 9 | } 0 | 0 | 35 | 0 | 5 | 0 | 10 | 0 |
| 8 | 0 | 3 | 2 | 6 | ||||||||
| 10 | 0 | 3 | 5 | 4 | 0 | 0 | 62 | 0 | 9 | 0 | 20 | 0 |
| 12 | 0 | 3 | 7 | 10 | } 0 | 0 | 32 | 0 | 8 | 0 | 16 | 0 |
| 15 | 0 | 3 | 11 | 4 | ||||||||
| 17 | 0 | 4 | 1 | 5 | } 0 | 0 | 64 | 0 | 12 | 0 | 16 | 0 |
| 20 | 0 | 4 | 4 | 2 | ||||||||
| 27 | 0 | 4 | 9 | 9 | ||||||||
| 30 | 0 | 4 | 11 | 6 | } 0 | 0 | 30 | 0 | 7 | 0 | 18 | 0 |
| 40 | 0 | 5 | 5 | 1 | ||||||||
| 60 | 0 | 6 | 3 | 3 | } 0 | 0 | 30 | 0 | 10 | 0 | 20 | 0 |
| 100 | 0 | 7 | 5 | 3 | ||||||||
TAB. II.
The following table is taken from a late French author[2], whose method of regulating the charges is according to the interior diameter of the mould, which he divides into lines.
| Interior diameter of the mould. | Weight of the rocket. | Saltpetre. | Brimstone. | Charcoal. | |||
| Lines. | lb. | oz. | dr. | ounces. | ounces. | ounces. | |
| 6 | 0 | 0 | 4 | } | 44 | 4 | 16 |
| 7 | 0 | 0 | 6 | ||||
| 8 | 0 | 1 | 1 | ||||
| 9 | 0 | 1 | 5 | } | 40 | 4 | 16 |
| 10 | 0 | 2 | 2 | ||||
| 11 | 0 | 3 | 0 | ||||
| 12 | 0 | 3 | 7 | } | 38 | 4 | 16 |
| 13 | 0 | 4 | 6 | ||||
| 14 | 0 | 6 | 1 | ||||
| 15 | 0 | 7 | 4 | } | 36 | 4 | 16 |
| 16 | 0 | 9 | 1 | ||||
| 17 | 0 | 11 | 0 | ||||
| 18 | 0 | 13 | 1 | } | 34 | 4 | 16 |
| 19 | 0 | 15 | 4 | ||||
| 19¼ | 1 | 0 | 0 | ||||
| 21 | 1 | 7 | 1 | ||||
| 24 | 1 | 15 | 1 | 32 | 5 | 16 | |
| 30 | 4 | 0 | 0 | } | 30 | 6 | 18 |
| 36 | 6 | 9 | 0 | ||||
| 72 | 55 | 8 | 0 | ||||
TAB. III.
A table of charges for sky-rockets in which the charges are adapted in proportion to the weight of composition contained in each rocket, after the method of Hanzelet.