1911 Encyclopædia Britannica/Ordnance

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We are able to focus on your requirements and place an order for whatever size you require, pricing is by the meter. This encompasses an exploration of Porter's 5 Forces Framework, macroeconomic scrutiny, value chain assessment, and pricing analysis-all actively shaping the present market and anticipated to exert affect through the envisaged interval. The evaluation encompasses each inner elements like drivers and restraints and external elements comparable to market opportunities and challenges.The current market study gives an outlook on the development of market when it comes to revenue all through the prognosis interval. In addition to profiling these firms, the report includes the year of market entry for every participant, offering invaluable information for research analysis carried out by the analysts concerned within the study. There are two methods of providing for the repair in the original design-the primary is by replacing the whole of the barrel by a completely new one; the second is to make the unique barrel thick in order that when it's worn the inside might be bored out, either over a portion of its length to cover the eroded half, or the total size for "through lining." In large guns it is normal to make the unique barrel, if it is meant to be removed as an entire, tapered from finish to finish, so that by warming the gun in a vertical place breech downwards to about 300° F. after which instantly cooling the barrel by a jet of water it can be knocked out by heavy blows from a falling weight.

Modern guns have percussion locks, wherein a striker impinges upon a cap in the base of the metallic cartridge. The latter is less complicated, however affords a less highly effective extractor for throwing out the empty cartridge case. 1740 f.s. Again, a shell of given weight may be fired both from a large-bore gun or from a small-bore gun; in the latter case the length of the shell will probably be proportionately increased. The first effect of the powder gases on the steel is a very characteristic hardening of the floor of the entire of the bore; so much is that this the case that it is difficult to carry out any mechanical operation, except grinding, after a gun has been fired. The extremely heated gases due to this fact impinge more straight on that part of the bore which kinds the seating for the shot and acts on it for the longest time, i.e. for the entire time the shot is within the gun. Bibliography.-English: Nye, The Art of Gunnery (1670); Norton, The Gunner, exhibiting the whole Practice of Artillerie (London, 1628); Sir Jonas Moore, Treatise of Artillery (London, 1683); Robins, New Principles of Gunnery (London, 1742); Hutton, Tracts (London, 1812); Sir Howard Douglas, R.A., Naval Gunnery (London, 1855); Mallet, Construction of Artillery (London, 1856); Boxer, Treatise on Artillery (London, 1856); Owen, Modern Artillery (London, 1871); Text-Book Rifled Ordnance (London, 1877); Treatise on Construction of Ordnance (London, 1879); Lloyd and Hadcock, Artillery: its Progress and Present Position (Portsmouth, 1893); Treatise on Service Ordnance (London, 1893-1904); Catalogue of Museum of Artillery in the Rotunda (Woolwich, 1906); Sir Andrew Noble, Artillery and Explosives (1906); Brassey, Naval Annual.

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