Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 273
Fig. 109.—Explosion, t^ vy nciL/Ltiiti J J. ufycLi-v, have been projected for propelling vessels wholly submerged beneath thesurface of the water, so that they may approach their object unperceived,and exert their destructive effect precisely at that part of the vessel wheredamage is most fatal,…
Inventions
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