ENTIFIC AMER- id assortment of ROSES ICAN of all inventions patented througn this agency, styles of drawin, 6 for $1; HOOPES, BRO. & THOMAS, R S with the name and residence of the patentee. Patents 18for $2. "Send for are often sold, in part or whole, to persons attracted to Naw Catalogue of… … Sent postpaid on receipt of price. MUNN & CO, Publishers SCIENTIFIC AMERICAN, Engine Lathes, Planers, Drills, &c. Please say w 37 Park Row, N. Y. here Send for Catalogue. DAVID W. POND, Successor to BRANCH OFFICE—Corner of F and ‘th Streets, LUCIUS W. POND, Worcester, Mass, Washington, D.C,
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