Hand-book of Artillery for the Service of the United States: (Army & Militia).Van Nostrand, 1863 - 250 ページ |
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ammunition angle artillery axis axle axle-tree ball barbette barrels battery bore bottom breech calibre canister canister shot cannon carriage cartridge cascable casemate cast-iron centre chamber charge chassis cheeks chock coehorn COEHORN MORTARS columbiad composition cylinder diameter distance elevating screw embar epaulment face fastened feet field guns field-batteries fire Fort Monroe front fuze grooves ground gun-carriage gunner handspikes horses hot shot hurter implements inches infantry inserted instructor commands iron length limber line of metal line of sight loading manoeuvring bolts mealed powder Military mounted muzzle muzzle band notch parapet piece pile placed plate platform powder projectile quoin rails rammed rammer range recoil resume their posts resumes his post rifled roller sabot sea-coast shell side siege gun siege howitzer siege mortar sleepers Solid shot spherical spherical-case sponge stake straps sulphur tompion transom trunnions unbar velocity vent weight wheels windage wooden yards ະ ະ ະ
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250 ページ - CSA" and the Battle of Bull Run. (A Letter to an English Friend.) By JG BARNARD, Major of Engineers, USA, Brigadier-General, and Chief Engineer, Army of the Potomac.
176 ページ - Grains 1 Dram. 16 Drams 1 Ounce. 16 Ounces 1 Pound. 28 Pounds 1 Quarter. 4 Quarters or 100 pounds 1 Hundred Weight 20 Hundredweight 1 Ton.
171 ページ - ADD into one sum, the areas of the. two ends, and the mean proportional between them...
178 ページ - ... suspended by a string which is not subject to stretch, and on which are marked the different required lengths, will answer the above purpose, may be easily acquired, and should be frequently compared with an accurate standard in the adjutant's possession.
13 ページ - The preponderance of the breech of the gun is the excess of weight of the part in rear of the trunnions over that in front : it is measured by the weight which it is necessary to apply in the plane of the muzzle to balance the gun when suspended freely on the axis of the trunnions. The handles of the gun are placed with their centres over the centre of gravity of the piece.
11 ページ - The bottom of the bore is a plane perpendicular to the axis, united with the sides (in profile) by an arc of a circle the radius of which is one-fourth of the diameter of the bore at the bottom. In the columbiads, the heavy seacoast mortars, the stone mortar and the eprouvette, the bottom of the bore is hemispherical.
11 ページ - ... of steel, with which it is connected by a screw, forming a pivot on which the scale can vibrate laterally. This piece of steel terminates in pivots, by means of which the pendulum is supported on the seat attached to the gun, and is at liberty to vibrate in the direction of the axis of the piece. The seat is of metal, and is fastened to the base of the breech by...
16 ページ - ... method, several times repeated, is not successful, unscrew the vent piece, if it be a brass gun, and if an iron one, drill out the spike or drill a new vent. To drive out a Shot wedged in the Bore. — Unscrew the vent piece if there be one, and drive in wedges so as to start the shot forward, then ram it back again in order to seize the wedge with a hook ; or pour in powder and fire it, after replacing the vent piece. In the last resort, bore a hole in the bottom of the breech, drive out the...