oal«»»Ore Separators, Revolving*-" Shaking screens. Industrial Publishers, Booksellers, and Importers, ffixperiirotal ?Sciei^ce, mjiGS&5TAMPBATTERIES'>«««»s»fMILLING»,MININCr1A(HINERY*«"T«OT« 810 Walnut St.. Philadelphia, Pa., U. 6. A. JllkHARRINGTON & KING PERFORATING @ .CHICAGO. l^"Ournew and… … Use and Abuse of the Steam Boiler.—Contain- 9th. Entire expenses, $280 per year. For catalogue, Circulars sent. Small private workshops fitted with ing illustrations and descriptions of all classes of Steam By Geo. M. Hopkins. address the President, M. B. GOFF, LL.IL, or lathes and complete outfits…
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