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The Zalinski Gun.

The New York correspondent of the ' Daily News' writes:— Further teats of the Zalinski gun were made in the harbor on Saturday with successful results. Eight projectiles were fired from the gun used a week earlier. Of these, seven contained 175 pounds of 75 per cent, dynamite, and all were constructed with a hollow tail of the same size as the shed, upon which were a number of small flanges meant to keep the course true. Three chloride of silver batteries were in each shell for exploding, two being already active, while the third was dry and was made active as soon as the water struck it. The conditions of the trial were that 50 per cent, of the shells should strike and explode within a rectangle of 150 feet by 50 feet over a mile from the firing-point. The first shell, after a beautiful flight, struck the water 2,048 yards away, but no explosion followed. It was Baid by observers near the end of its course that the shell broke in two just before striking the water. The second projectile, fired fifteen minutes later, seemed to follow exactly the same course, I and struck the sea at 2,032 yards distance | and exploded, throwing up a great mass of foaming water into the air. The third shell went in the same direction, producing the same results at a distance of 2,140 yards. The fourth, fifth, and sixth shots quickly followed, all seeming to describe precisely the same curve, and all, like the third, striking the water within the rectangle, and causing the usual explosion. The seventh shell carried 201 pounds of nitrogelatine and dynamite and fell into the sea 2,108 yards away, exploding instantly. The eighth, which was furnished with a slow-burning fuse, struck when 1,280 yards distant, but did not explode till it rcachod the bottom, sending into the air a column of water as black as ink. The average time of the flight of the eight shells was 12 seconds, the air pressure 1,000 pounds, and the average time between the shots 12 minutes. This could have been lessened by a half without undue haste, as no effort was made to secure rapid firing. Shells No. 3, 4, 5, and 6 fell within the rectangle, No. 7 only two yards outside. The fuses were set to explode at varying distances under water, and all acted as intended. All observers were of opinion that the tests had been satisfactorily met. The members of the Government Board, while declining to anticipate the official report, were obviously much pleased, and there is scarcely a doubt they will report favorably. Photographs were taken at the time of the explosions, and these will be published with figures and other data in the official reports. Zilinski has made a further test with his dynamite gun at Fort Lafayette. The first shot, weighing 975 pounds and loaded with 550 pounds of sand, went one mile. The second shell, which weighed 980 pounds—the heaviest yet put into the gun—was loaded with 300 pounds of nitrogelatine and 200 pounds of dynamite. It exploded in the water 1,798 yards away. The third shot made with the lOin sub-

oalibre projectile, loaded with 220 pounds of sand, attained a range of 3,012 yards. All the shots were fired at an elevation of 35 degrees. Zalinski will probably get an appointment as assistant-inspector general.

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Bibliographic details

The Zalinski Gun., Issue 7916, 25 May 1889, Supplement

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The Zalinski Gun. Issue 7916, 25 May 1889, Supplement

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