Scientific American. (OcToseR 17, 1891. 254 … POPE MFG. CO., 77 Franklin Street, BOSTON, sue shonixasisis ; sents the most recent papers by eminent writers in all the principal departments of Science and the Useful Gate Valve for low 67.32 Branch Houses: 12 Warren St., NEW YORK, 291 Wabash pressures, steam, water, Ave., CHICAGO. Factory,…
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