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Scientific American, Vol. 71, No. 5 (1894) (1894)
leaf 7
Scientific American. 72 work, occupying much more valuable space than was … cules. The en- and White for trance to the ‘our two photo- bridge on the ing. © 1894 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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