Armstrong Cannon

—The guns used in the British service made by Sir William Armstrong are—for the land service—a 12-inch weighing 38 tons (some of these guns are bored to 12 1 ⁄ 2 inches), an 11-inch weighing 25 tons, a 7-inch weighing 7 tons, a 40-pounder (4.75-inch) weighing 35 cwt., a 25-pounder (4-inch), and a 16-pounder (3.6 inch) weighing 18 and 12 cwt. respectively, a 9-pounder (3-inch) weighing 6 cwt., a 10-inch weighing 6 tons, having no preponderance. These guns are all of wrought iron and muzzle-loading. There are also used in the land service, and of the same make, a 7-pounder (3-inch) muzzle-loading steel gun weighing 150 pounds, an 8-inch muzzle-loading howitzer made of wrought iron and weighing 46 cwt., a 64-pounder (6.29-inch) converted from 32-pounder, and an 80-pounder (6.29-inch) converted by Palliser method from 68-pounder muzzle-loading, made of cast iron with wrought-iron tubes. The other guns manufactured by Sir William Armstrong, and used in the land service, are all breech-loading, viz.: a 7-inch (screw) weighing 72 cwt., a 20-pounder (3.75-inch screw) weighing 16 cwt., a 64-pounder (6.4-inch wedge) weighing 64 cwt., and a Gatling gun (0.45) weighing 3 cwt. 84 pounds. The guns used in the sea service of this make are a 12-inch weighing 35 tons, an 8-inch weighing 9 tons, two 7-inch weighing 6 tons 10 cwt. and 90 cwt. respectively, and a 9-pounder (3-inch) weighing 6 cwt. These are all muzzle-loading, and made of wrought iron. There is another muzzle loading gun used for sea service, viz., a 64-pounder (6.29-inch) converted from 8-inch, and weighing 71 cwt.; this gun is of cast iron with a wrought iron tube. The breech-loaders used for sea service are two 20-pounders (3.75-inch screw) weighing 15 and 13 cwt. respectively, 40-pounder (4.75-inch) wedge weighing 32 cwt., and a Gatling gun (0.65-inch) weighing 7 cwt. 35 pounds; these guns are all of wrought iron. For land and sea service are constructed a 12-inch weighing 25 tons, a 10- and 9-inch weighing 18 and 12 tons respectively, a 64-pounder (6.3-inch) weighing 64 cwt., a 9-pounder (3-inch) weighing 8 cwt., a 7-pounder (3-inch) weighing 200 pounds, and made of steel; the others are of wrought iron, and all are muzzle-loading. The breech-loading guns of this manufacture used in both land and sea service are a 7-inch (screw) weighing 82 cwt., two 40-pounders (4.75-inch) screw weighing 35 and 32 cwt., respectively, a 12-pounder (3-inch), 9-pounder (3-inch), and 6-pounder (2.5-inch) screw weighing 8, 6, and 3 cwt. respectively. They are all made of wrought iron. See Armstrong Gun . Germany. —In Germany the Krupp gun is almost entirely employed; they are all breech-loading and constructed of steel. (For particular construction, see Ordnance, Construction of .) Those used in the German land service are a 28-centimetre howitzer weighing 9.82 tons, caliber in inches 11.023, a long 21-centimetre weighing 9.84 tons, caliber 8.241 inches, a short 21-centimetre weighing 8.84, caliber 8.241 inches, a short 15-centimetre weighing 2.9 tons, caliber 5.869 inches, a 12-, 9-, 8-, and 6-centimetre, whose calibers are 4.735, 3.602, 3.090, and 2.362 inches, and whose weights are 1.37 tons, and 935, 649, and 235 pounds respectively. In the sea service are used a 30 1 ⁄ 2 -centimetre weighing 35.3 tons, caliber 12.007 inches, a short 26-centimetre weighing 17.67 tons, caliber 10.236 inches, a long 24-centimetre weighing 14.38 tons, caliber 9.267 inches, and a short 24-centimetre. For both land and sea service are employed a long 17-centimetre weighing 5.5 tons, caliber 6.771 inches, a short 17-centimetre, a long 15-centimetre weighing 3.03 tons, caliber 5.869 inches, and a long 15-centimetre weighing 3.09 tons. France. —The guns adopted in the French service are both breech and muzzle-loading, and are, for the land service, a siege-gun, 24-pounder rifled breech-loading, weighing 40.55 tons, caliber 6.01 inches, for fortre guns a 24- and 12-pounder rifled muzzle-loading, weighing 5953 and 3307 pounds, and having calibers of 6.01 and 4.77 inches respectively. For siege-guns a 24- and 12-pounder rifled weighing 4409 and 1940 pounds, whose respective calibers are 6.01 and 4.77 inches and muzzle-loading. For field artillery a 12-, 8-, and 4-pounder rifled, weighing respectively 1367, 1234.6, and 727.55 pounds, and whose calibers are 4.77, 4.17, and 3.40 inches respectively, all muzzle-loading. There is also a 4-pounder rifled muzzle-loading mountain piece weighing 220.5 pounds, whose caliber is 3.40 inches. In the sea-coast service there are a 30-pounder (muzzle-loader) not hooped, weighing 61 cwt., caliber 6.48 inches, a 30-pounder (muzzle-loader or breech-loader) hooped, weighing 70.86 cwt., caliber 5.46 inches, a howitzer 22-centimetre rifled and hooped, caliber 8.66 inches. In the French sea-service are a 32-centimetre weighing 34.5 tons, caliber 12.599 inches, and a 27-centimetre weighing 21.7 tons, caliber 10.803 inches. Both of these guns are breech-loading. For both land and sea service are used a 24-centimetre weighing 13.8 tons, caliber 9.499 inches, a 19-centimetre weighing 7.9 tons, caliber 7.638 inches, a 16-centimetre weighing 98.42 cwt., caliber 6.484 inches, a 14-centimetre weighing 52.26 cwt., caliber 5.456 inches. The guns used for sea service only, or for both land and sea service, are all made of cast iron, tubed with steel nearly to the trunnions, and strengthened near the breech by steel rings heated and shrunk on. The fortre guns, most of the siege, and all the field-guns are made of bronze. The large breech-loaders use the solid breech-screw fermeture . The term “pounder” as applied to certain guns has no reference to the weight of the oblong projectile used, but to the weight of the corresponding spherical solid shot. Ru ia. —In the Ru ian service the Krupp gun is rapidly taking the place of all others; there are, however, still used for sea service, a 12-inch and 6-inch breech-loader weighing 40 tons and 3.92 tons respectively; also a 12.2-pounder boat-gun weighing 792 pounds, and for both land and sea service an 8-inch breech-loader weighing 8.754 tons, and an 8-inch breech-loading mortar, weighing 3.21 tons. These guns are all made of steel.