The Hand-book of Artillery: For the Service of the United States (army and Militia) : with the Manual of Heavy Artillery, Including that of the New Iron Carriage
D. Van Nostrand, 1865 - 250 Seiten
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ammunition angle of sight artillery axis axle axle-tree balls barbette barrels base-ring battery bore bottom brass breech breech-sight bronze calibre canister canister shot cannon carriage cartridge cascable casemate centre chamber charge chassis cheeks Coehorn mortar columbiads cylinder diameter direction distance elevating screw embar epaulment face feet field guns field-batteries fire front frustum fuze grooves gun-carriage gunner handspikes heavy horses hurter implements inches infantry inserted instructor commands iron length limber line of metal line of sight loading manoeuvring bolts mealed powder mounted muzzle muzzle band notch object parapet piece pile placed plane platform plummet point-blank powder projectile quoin rails rammed rammer range recoil resume their posts resumes his post riage rifled roller round shot rounds sabot sea-coast shell side siege gun siege howitzer siege mortars Solid shot spherical sponge stake surface tion transom troops trunnions unbar velocity vent weight wheels windage wooden yards
Seite 259 - Treatise on Grand Military Operations. Illustrated by a Critical and Military History of the Wars of Frederick the Great. With a Summary of the Most Important Principles of the Art of War. Illustrated by maps and plans.
Seite 177 - Add into one sum, the areas of the two ends and the mean proportional between them; take...
Seite 19 - It is the excess of weight of the part in rear of the trunnions over that in front ; it is measured by the lifting force in pounds, which must be applied at the rear of the base-ring to balance the piece when suspended freely on the axis of the trunnions?
Seite 111 - Prepare the ground for the base of the pile by raising it above the surrounding ground so as to throw off the water ; level it, ram it well, and cover it with a layer of screened sand.
Seite 184 - ... 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.
Seite 253 - Hiftory of the United States Naval Academy, With Biographical Sketches, and the names of all the Superintendents, Professors and Graduates, to which is added a Record of some of the curliest Votes by Congress, of Thanks, Medals and Swords to Naval Officers.
Seite 97 - The sentinel or guard at a magazine, when it is open, should have no fire-arms, and every one who enters the magazine should take off his shoes, or put socks over them; no sword or cane, or anything which might occasion sparks, should be carried in. The windows should have inside shutters of copper wire-cloth.
Seite 17 - The scale passes through a slit in a piece 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...
Seite 174 - A<, and consequently &v, the more nearly will That is, a variable force is measured by the limit of the ratio of the velocity caused by it to the time of causing it. 224. The momentum of a body is its quantity of motion, and is measured by the product of the mass of the body by its velocity. For the motion of a single particle is its velocity, and the motion of any number of particles, having the same velocity, is obviously as much greater as the number of particles is greater. Hence the whole motion...