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Scientific American, Vol. 97, No. 10 (1907) (1907)
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driven by an induction motor. ends of the ground ways, plants were carefully studied and the shortcomings The dimensions of these caissons are approximately: From tests made on a model in the tank, it was they developed were avoided. Length, 114 feet; beam, 20 feet; depth at center, 42 expected… … ing the ways. To have jecting horizontally from built such ways would uprights, giving storage © 1907 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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