American. Srientific NovEMBER 8, 1884.] … recent American processes. 35engravings. 12m0, $2.50 Wahl.—Galvanoplastic ‘:anipulations. A Practical P. H. & F. M. ROOTS, Manufacturers, NEW YORK BELTIN G & PACKING CO., Guide for the Gold and Silver Electroplater. Compris- CONNERSVILLE, IND. ing the Electro-Deposition of aJl Metals by means of…
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