| A | Sides or brackets | K | Stool bed |
| B | Transom | L | Quoin |
| C | Fore axletree | a | Transom bolt |
| D | Hind axletree | b | Bed bolt |
| E | Steps | c | Bracket bolts |
| F | Quarter round or ovolo | d | Linch-pins |
| G | Fore truck | e | Axletree hoops |
| H | Hind truck | f | Stool bed bolts |
| I | Trunnion hole | g | Eye or loop bolts |
| J | Axletree arm |
Elevation of a Garrison Carriage.
Exercise of 24 Pounder, or siege rocket.
Disposition, and duties with seven men.
When the detachment is in action, the disposition and duties of the numbers are the same as at the lighter natures.
Put the frame together at low order. Raise the frame. Reeve the guys. Sling the rocket tube, and fix the angle. Adjust the frame. Load. Traverse, when necessary, Muzzle right, muzzle left. If greater alteration be required, than can be given by means of the guys, the cheeks of the rocket frame are moved in the named direction, Cheeks to the right, or left. Elevate, when necessary. Priming, and Firing, as directed for Field guns. When the frame is fixed at Low order, the prypole forms an angle of 30 degrees with the horizon. If greater elevation than this be required, the frame must be raised to High order—45 degrees elevation; or higher still—50 degrees elevation.
Prepare to raise the frame to high order. Join the cheeks. Raise the frame. Adjust the frame. Load, etc. Prepare to strike the frame. Strike the frame.