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Scientific American, Vol. 60, No. 25 (1889) (1889)

leaf 14

An illustration from Scientific American, Vol. 60, No. 25 (1889), 1889, leaf 14
JUNE 22, 1889.] 307, PPropos for Dredging in Penobscot River, A New Book on Assaying. Maine, between Bucksport and Winterport. UNITED STATES ENGINEER OFFICE. Portland, Muine, … dustries, and of the Imperial Patent Office, Berlin. South 2d St.; Cineinnati, 161-165 W. Pear! St.: Translated from the German by William T. Brannt, Toposnis for Cement.—U, S. ENGINEER OFFIOR, Editor of “The Techno-Chemicul Receipt Book,” etc. 2136 Pennsylvania Avenue, N. W., Washington, D.C.…

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