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Scientific American, Vol. 77, No. 15 (1897) (1897)
leaf 3
tating any pulling that might injurethe object to which incandescent light. These lights will be itis attached. Let us add that the mechanism is so fifty-seven feet above the water, and on a hand brace, at the level of the lock, and afterward simple that there is not the least danger of its getting… … is in reach of their hands and quite near the aperture, Fig. 2 illustrating a spring catch to hold it in place © 1897 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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