Magnetic separation with special reference to James W. Neill's patent (zinc ores)

Schwarz, Theodore E.Neill, J. W.2017-09-282022-02-032017-09-282022-02-03https://hdl.handle.net/11124/171727Mine report no. 351.Report makes reference to U.S. Patent No. 472387, issued to J.W. Neill (page 4).Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Magnetic separation of oresZinc oresRoasting (Metallurgy)Magnetic separation with special reference to James W. Neill's patent (zinc ores)Text