----------------------------------------------+-----+-----+------- Designation. | No.| Lbs.|Inches. ----------------------------------------------+-----+-----+------- Extreme length of piece | | | 68.15 Length of barrel | | | 33 Length of breech-casing | | | 21.5 Length of feed-case | | | 14.5 Cartridges in each case | 12| | Cartridges in each ammunition-chest | 472| 315| Total number of rounds for each gun | 2592| | Gun (weight) | | 1008| Total weight of gun, implements, carriage, and| | | limber | | 3263| Number of barrels | 6| | Number of grooves | 6| | Depth of grooves | | | 0.01 Twist: one turn in six feet. | | | Preponderance | | 110| Number of horses for each piece | 6| | Number of horses for each caisson | 6| | ----------------------------------------------+-----+-----+------- For field service each piece is accompanied by one caisson. NOMENCLATURE OF THE 0.45-INCH GUN (1883). =Components.=--Adjustable-screw nut; barrels (10); breech-casing; breech-casing screws (6); bushings (10); cartridge-carrier; cartridge-shell ejector; cartridge-shell ejector-screws (3); cartridge-shell extractor-block; cartridge-shell extractor-block screws (2); cascable-plate; cocking device; crank; crank-latch; crank-shaft; diaphragm; dowel-pins; extractor-hooks (10); firing-pins (10); front cap; main shaft; oscillating-thread nut and washer; rear-guide nut; rear plate for barrels; rear sight; worm; worm-gear; rear-sight screws; front plate for barrels; front sight; front-sight screws; gas-collar; gun-frame; hopper; hopper-hinge; hopper-hinge pin; hopper-hinge screws (2); hopper-latch; hopper-latch screws; lock-cylinder; lock-cylinder screws (2); lock-extractor; lock-extractor screws; lock-extractor sleeve; lock-extractor sleeve-screws (2); lock-mainsprings (10); lock-nuts (10); lock-tubes (10); spiral cam; spiral-cam screws (2); trunnions (2); washer for front end of main shaft. =Appendages.=--Adjusting screw-wrench; brass wiping-rod; clamp for worm-gear; feed-cases, straight (48); lock screw-driver; pin-wrench; rear-guide nut-wrench; shell-driver; small screw-driver; T screw-driver.