Scientific American. [OcToBER 1, 1887. 214 PRACTICAL TRIAL OF THE PNEUMATIC DYNAMITE GUN. On Tuesday, Sept. 20, the pneumatic dynamite torpedo gun was tried in practical work. The object Thus, when the shell has ex- of the trial was to show the United States naval authorities decisively the powers… … when James Watt announced his patent nously through the air and fell into the EPISODES OF THE TRIAL. ‘for a method of lessening the consumption water a short distance astern of the schoon- 2. The first explosion. 3. The second explosion. 4, The of steam and fuel in fire engines.” This er, descended…
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