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Scientific American, Vol. 85, No. 13 (September 1901) (1901)

leaf 7

An illustration from Scientific American, Vol. 85, No. 13 (September 1901), 1901, leaf 7
J! for instance, the pointer is simply put on that mark tinguished from light signals, is that they cannot a committee met to determine whether these bodies be located with accuracy. If the fog signals were as on the dial. were those of Tycho Brahe and his wife. Two work- easily located as the… … from any of the others, and that at a distance of more megaphone is then HAHILTON-FOSTER FOG SIGNAL WITH FIVE FOOT MEGAPHONES. than a mile it is impossible to hear any of the sounds pointing directly except those sent by the megaphone which is pointed toward the course which the vessel is steering.…

Bridge · Vessel · Motor · Engine · Automobile · Gasoline · Lift bridge · Rolling lift · Whirlpool rapids · Sewing machine · Scientific American · Evening star · Horse power · Engine room · Lift bridges · Total weight

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