best—now Best and Cheapest. preapectives of Girard Avenue Bridge, Philadelphia, Pa. All Hardware and Machinery Stores sell them. The ith foundations of plers. Ten engravings. Price 30 BROOKLYN, N. Y. HULL & BELDEN CO., Manufacturers, Danbury, Conn. cents. Contained in Nos.1, 2, and 4of SCIENTIFIC… … 7. Geometry, as Applied to Practical Purposes. With nial Exposition, should have the SCIENTIFIC AMERI- OF THE illustrations. : 5 othe, Mpiern Seonne, Eosioe soit, The Oldest Agency for Soliciting Patents in the SCIENTIFIC AMERICAN, of the Tavention and Progress of Steam Power. bast 8, etc., and a…
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