Torpedoes and Torpedo Warfare: Containing a Complete and Concise Account of the Rise and Progress of Submarine Warfare ; Also a Detailed Description of All Matters Appertaining Thereto, Including the Latest ImprovementsGriffin, 1880 - 309페이지 |
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American civil war anchor apparatus armature arranged attack bolt bottom brass buoy cell CHAP charge circuit closer conducting wire conductor connected consists copper core cylinder defence defensive torpedo deflection detonating disc distance drifting torpedo earth plate ebonite effect electric cable electric current electrical resistance electrical submarine mines electro magnet electromotive force employed engines experiments explosion feet firing battery firing key fish torpedo frame galvanometer GRIFFIN gun-cotton gunpowder gutta percha harbour hole ignition inches india rubber insulated wire iron joint junction box knots latter Lay torpedo lever machine McEvoy's means metal method mode mooring nautical mile necessary needle nitro-glycerine operator passing piece placed plug pole PORTSMOUTH position resistance coils rudder Russian safety key ship shown at Fig side spar torpedo spring surface terminal torpedo boat torpedo vessel torpedo warfare tow rope towing torpedo tube Turkish valve vulcanised wire zinc
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270 페이지 - As resistance is directly proportional to the length, and inversely proportional to the area of the cross-section, the required resistance is R = 18.7 X ||||-X |= 10.5 ohms (approx.) Ans.
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2 페이지 - ... the effects it had produced, the noble earl, in the strong language of his profession, rather than in a style comporting with his new dignity, exclaimed against Mr. Pitt for encouraging a mode of warfare which, he said, with great reason, they who commanded the seas did not want, and which, if successful, would wrest the trident from those who then claimed to bear it as the sceptre of supremacy on the ocean.
234 페이지 - ... charcoal became ignited to whiteness, and by withdrawing the points from each other, a constant discharge took place through the heated air, in a space equal at least to four inches ; producing a most brilliant ascending arch of light, broad, and conical in form in the middle.
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