Percussion musket. The stock is walnut, fitted with a brass cap over the fore-end, three brass ramrod pipes, a plain brass trigger guard and a brass butt plate. Two iron sling loops are fitted. The lock is a percussion sidelock. The head of the hammer is relieved at the front. The iron barrel is of circular section fitted with a small rear sight and a rectangular knob as a foresight. The calibre is 0.753 inches. Inscribed on the lockplate is the maker's mark 'Yeomans London'. On the butt on the right side is a stamp reading 'H Yeomans, 35 East Smithfield London'. There are traces of proofmarks on the barrel. This is a weapon suitable for either the Army or Royal Marines. It was the last military smoothbore made in any numbers. It was usual for merchant ships at the time to carry some weapons and it may have been used for that purpose.