Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 281
Fig. 118.—Harveys Torpedo. bight astern of the torpedo, but avoiding such a strain as would break theyarn holding the safety-key in its place. The distance to which the tow-line may be paid will depend upon the circumstances of the attack. More … Fig. 119.—Official Trial of■■ Harveys Sea Torpedo^ February, 1870. than 50 fathoms is, however, a disadvantage, as the long bight of tow-lines makes the torpedo drag astern. The torpedo can always be made todive several feet below the surface by suddenly letting out two or threefathoms of tow-line.…
Inventions
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