The principles on which these tables are founded, may be depended on, inasmuch as M. Bigot has taken considerable pains on that head; and, consequently, the calculations, which follow, and the proportions, established for the construction of rockets in general, are sufficiently conclusive.
| Diameter of the rocket. | Height of tools of wood. | Diameter of the tools of wood. | Dimension of mallets. | ||||||||||||||
| Rammers, &c. | Rammers. | ||||||||||||||||
| Name of the Rocket. | For charging the head not comprised. | ||||||||||||||||
| Exterior. | Interior. | Roller. | 1 | 2 | 3 | Solid 4 | Pot. | Conical head. | To run. | To charge. | Of pots. | Sockets of the pot. | Base of conical head. | Ladle. | Diameter. | Length. | |
| inch. | Diam. | D. | D. | D. | D. | D. | D. | D. | D. | D. | D. | D. | D. | D. | inches. | inches. | |
| Small Partement, | ½ | ⅔ | 24 | 6⅓ | 45/9 | 27/9 | 1⅓ | 3 | 1⅔ | ⅔ | 7/12 | 1⅔ | ⅔ | 1⅔ | ⅔ | 2¾ | 3⅓ |
| Partement, | ¾ | idem. | 16 | 62/9 | 413/27 | 26/27 | idem. | 2⅔ | 15/9 | idem. | 11/18 | 15/9 | 7/9 | 15/9 | idem. | 2¾ | 3⅓ |
| Marquise, | 1 | idem. | 12 | 61/12 | 47/18 | 225/36 | idem. | 2⅓ | 1½ | idem. | idem. | 1½ | 5/6 | 1½ | idem. | 3½ | 4¼ |
| Double marquises | 1¼ | idem. | idem. | 514/15 | 413/45 | 229/45 | idem. | 21/5 | 18/15 | idem. | 3/5 | 18/15 | 13/15 | 18/15 | idem. | 3½ | 4¼ |
| Ditto, for 4 doz. | 1½ | idem. | 10 | 57/9 | 45/27 | 216/27 | idem. | 2 | 1½ | idem. | 11/18 | 1½ | 5/6 | 1½ | idem. | 4 | 5 |
| Rocket of | 2 | idem. | 9 | 5⅜ | 331/36 | 225/72 | 11/6 | 1¾ | idem. | idem. | ⅝ | idem. | ⅞ | idem. | idem.} | ||
| Ditto, | 2½ | idem. | 82/5 | 51/15 | 329/45 | 22/9 | 12/15 | 1½ | idem. | idem. | 19/30 | idem. | 9/10 | idem. | idem.} | ||
| Ditto, | 3 | idem. | 8 | 47/9 | 34/9 | 21/9 | 11/9 | 1⅓ | idem. | idem. | 23/36 | idem. | 11/12 | idem. | idem.} | 5½ | 6⅔ |
| Ditto, | 4 | idem. | 65/6 | 4¼ | 33/32 | 115/16 | 11/8 | 11/16 | idem. | idem. | 31/48 | idem. | 15/16 | idem. | idem.} | ||
| Ditto, | 5 | idem. | 6 | 343/60 | 2133/180 | 1137/180 | 17/60 | 9/10 | idem. | idem. | 13/20 | idem. | 14/15 | idem. | idem.} | ||
| Diameter of rockets. | HEIGHT OF | Diameter of the parts of the piercer. | |||||||||||||
| Name of the Rockets. | Charged rockets, | Button | Total of the piercer, button | Exterior | Button | Screw at | |||||||||
| Exterior. | Interior. | Empty cases. | button,&c. included. | Massive Rockets. | Piercers. | & their cylinder. | Culots. | and culot, comprised. | Screw. | Base. | of small end. | and cylinder. | Culot. | the base. | |
| inch. | Diam. | D. | D. | D. | D. | D. | D. | D. | D. | D. | D. | D. | D. | D. | |
| Small partement, | ½ | ⅔ | 7⅓ | 65/6 | ⅔ | 51/3 | ⅔ | 1⅔ | 7⅔ | ¼ | ⅓ | 1/6 | ⅔ | 1 | 1 |
| Partement, | ¾ | idem. | idem. | 67/9 | idem. | 52/9 | idem. | idem. | 75/9 | 2⅔ | idem. | idem. | idem. | idem. | 7/9 |
| Marquise, | 1 | idem. | 77/12 | 67/12 | idem. | 51/12 | idem. | idem. | 71/12 | 2½ | idem. | idem. | idem. | idem. | ⅔ |
| Double marquise of 3 doz | 1¼ | idem. | 7 | 67/15 | idem. | 414/15 | idem. | 11/5 | 64/5 | 2 | idem. | idem. | idem. | idem. | 3/5 |
| Ditto, 4 doz. | 1½ | idem. | 67/9 | 65/18 | idem. | 47/9 | idem. | 11/18 | 6½ | 15/6 | idem. | idem. | idem. | idem. | 5/9 |
| Rocket of | 2 | idem. | 6⅜ | 5⅞ | ½ | 413/24 | idem. | ⅞ | 61/12 | 1½ | idem. | idem. | idem. | idem. | ½ |
| Ditto, | 2½ | idem. | 61/15 | 517/30 | 7/15 | 44/15 | idem. | 4/5 | 511/15 | 13/10 | idem. | idem. | idem. | idem. | idem. |
| Ditto, | 3 | idem. | 57/9 | 55/18 | 4/9 | 4 | idem. | ⅔ | 5⅓ | 11/6 | idem. | idem. | idem. | idem. | idem. |
| Ditto, | 4 | idem. | 5¼ | 473/76 | 11/24 | 315/32 | idem. | ½ | 461/96 | 15/16 | idem. | idem. | idem. | idem. | 5/12 |
| Ditto, | 5 | idem. | 443/60 | 413/60 | 9/20 | 214/15 | idem. | 2/5 | 4 | 4/5 | idem. | idem. | idem. | idem. | 2/5 |
Note. The rockets of two inches, and those between that and three inches, require to be beaten with four rammers, independently of that which is solid; and also those above three inches, require five. The rolling board should be sufficiently large for the cases we wish to form; viz. one of twenty-eight inches in length, and six inches in breadth for small rockets; one of thirty inches in length, and ten inches in breadth for middlesized rockets; and one of thirty-six inches by eighteen for the largest rockets.
(TABLE I: Part 1 of 3)
| Diameter of the rocket. | Height of tools of wood. | ||||||
| Rammers, &c. | |||||||
| Name of the Rocket. | For charging the head not comprised. | ||||||
| Exterior. | Interior. | Roller. | 1 | 2 | 3 | Solid 4 | |
| inch. | Diam. | D. | D. | D. | D. | D. | |
| Small Partement, | ½ | ⅔ | 24 | 6⅓ | 45/9 | 27/9 | 1⅓ |
| Partement, | ¾ | idem. | 16 | 62/9 | 413/27 | 26/27 | idem. |
| Marquise, | 1 | idem. | 12 | 61/12 | 47/18 | 225/36 | idem. |
| Double marquises | 1¼ | idem. | idem. | 514/15 | 413/45 | 229/45 | idem. |
| Ditto, for 4 doz. | 1½ | idem. | 10 | 57/9 | 45/27 | 216/27 | idem. |
| Rocket of | 2 | idem. | 9 | 5⅜ | 331/36 | 225/72 | 11/6 |
| Ditto, | 2½ | idem. | 82/5 | 51/15 | 329/45 | 22/9 | 12/15 |
| Ditto, | 3 | idem. | 8 | 47/9 | 34/9 | 21/9 | 11/9 |
| Ditto, | 4 | idem. | 65/6 | 4¼ | 33/32 | 115/16 | 1⅛ |
| Ditto, | 5 | idem. | 6 | 343/60 | 2133/180 | 1137/180 | 17/60 |
(TABLE I: Part 2 of 3)
| Diameter of the rocket. | Height of tools of wood. | Diameter of the tools of wood. | ||||||
| Rammers. | ||||||||
| Name of the Rocket. | ||||||||
| Sockets | ||||||||
| Exterior. | Interior. | Pot. | Conical head. | To run. | To charge. | Of pots. | of the pot. | |
| inch. | Diam. | D. | D. | D. | D. | D. | D. | |
| Small Partement, | ½ | ⅔ | 3 | 1⅔ | ⅔ | 7/12 | 1⅔ | ⅔ |
| Partement, | ¾ | idem. | 2⅔ | 15/9 | idem. | 11/18 | 15/9 | 7/9 |
| Marquise, | 1 | idem. | 2⅓ | 1½ | idem. | idem. | 1½ | 5/6 |
| Double marquises | 1¼ | idem. | 21/5 | 18/15 | idem. | 3/5 | 18/15 | 13/15 |
| Ditto, for 4 doz. | 1½ | idem. | 2 | 1½ | idem. | 11/18 | 1½ | 5/6 |
| Rocket of | 2 | idem. | 1¾ | idem. | idem. | ⅝ | idem. | ⅞ |
| Ditto, | 2½ | idem. | 1½ | idem. | idem. | 19/30 | idem. | 9/10 |
| Ditto, | 3 | idem. | 1⅓ | idem. | idem. | 23/36 | idem. | 11/12 |
| Ditto, | 4 | idem. | 11/16 | idem. | idem. | 31/48 | idem. | 15/16 |
| Ditto, | 5 | idem. | 9/10 | idem. | idem. | 13/20 | idem. | 14/15 |