Bolt

an iron pin used for strengthening a piece of timber, or for fastening two or more articles together. Bolts in gunnery, being of several sorts, admit of various denominations, which arise from the specific application of them, as | 1. | Eye | | - | Bolts. | | 2. | Joint | | 3. | Transom | | 4. | Bed | | 5. | Breeching | | 6. | Bracket | | 7. | Stool-bed | | 8. | Garnish | | 9. | Axle-tree | | 10. | Bolster | | BOMB | - | | See Shell. | | Chest. See Cai on. | | Ve els, | | - | | | Ketches, | small ve els, made very strong with large beams, particularly calculated for throwing shells into a town, castle, or fortification, from 13 and 10-inch mortars; two of which are placed on board of each ship. They are said to have been invented by M. Reyneau, a French man, and to have been first put in action at the bombardment of Algiers in 1681: till then it had been judged impracticable to bombard a place from the sea.