vens Insti- French steamer Htoile. The propelling apparatus consisted tute of Technology. EDWIN A. STEVENS. of a pair of twin screws. His boiler was forty years ahead This ingenious man invented the uow almost universally of his age; the engine was copied thirty years later; the screw came into use… … Pheenix, which was against explosion by THE STEVENS IRONCLAD BATTERY. brought out and any percussion pro- which very closely contested the claim of Fulton for the pected to be twenty or thirty miles per hour, and that he can duced by ordinary accidents, Being hermetically gealed, monopoly of steam…
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