raveling over water, which boat. Illustrations of this remarkable submarine are graved on tablets of stone about the globe are data though of no practical utility is interesting because shown herewith. The boat was of porpoise shape, and concerning dimensions of the earth, etc. of its novelty or… … at each side. The Cover of the model removed to show the Modelbulltearly in the last century. mechanism within. conning tower was telescopic, so AN EARLY TYPE OF SUBMARINE BOAT. that when diving great steaming powers and performances. Toward the far below the surface, where the pressure of the…
Patents · Munn · Apparatus · Device · American supplement · Scientific American · Main shaft · American december · American supplements · Second level · Weather bureau · Middle west · Fresh air · Reinforced concrete
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