Scale: Unknown. Instructional model of a sea service carronade on a sliding and pivoting wooden carriage. The gun has been cast and includes a sight, a prickhole and the mechanism for raising and lowering its elevation. It is mounted on a mahogany slide and the slide is mounted on a swivelling mahogany carriage. Both slide and carriage contain ring bolts for working the gun. The swivelling mechanism is pivoted on a rectangular piece of mahogany. At the back of the carriage, two sea service trucks allow the carriage to swivel in an arc.