The Online Books Page

Books by Abraham L. Engel:

Books in the extended shelves:

• Engel, Abraham L.: Arc-welding titanium (U.S. Dept. of the Interior, Bureau of Mines, 1955), also by I. R. Lane, R. W. Huber, and United States Bureau of Mines (page images at HathiTrust)
• Engel, Abraham L.: Chloride volatilization of oxidized lead ore from Eureka, Nevada (U.S. Dept. of the Interior, Bureau of Mines, 1958), also by H. J. Heinen (page images at HathiTrust)
• Engel, Abraham L.: Concentration tests of California chromite ores (U.S. Dept. of the Interior, Bureau of Mines, 1956), also by E. Morrice, E. S. Shedd, and United States Bureau of Mines (page images at HathiTrust)
• Engel, Abraham L.: Concentration tests of manganese ores (U.S. Dept. of the Interior, Bureau of Mines, 1953) (page images at HathiTrust)
• Engel, Abraham L.: Concentration tests of selected California-Nevada manganese ores (U.S. Dept. of the Interior, Bureau of Mines, 1955), also by E. Morrice, E. S. Shedd, H. J. Heinen, and United States Bureau of Mines (page images at HathiTrust)
• Engel, Abraham L.: Concentration tests on various base-metal ores (U.S. Dept. of the Interior, Bureau of Mines, 1952) (page images at HathiTrust)
• Engel, Abraham L.: Experimental extraction of gold and silver from California and Nevada ores (U.S. Dept. of the Interior, Bureau of Mines, 1961), also by H. J. Heinen (page images at HathiTrust)
• Engel, Abraham L.: Experimental treatment of base-metal ores from California and Nevada (U.S. Dept. of the Interior, Bureau of Mines, 1960), also by H. J. Heinen (page images at HathiTrust)
• Engel, Abraham L.: Experimental treatment of Nevada and California fluorspar ores (U.S. Dept. of the Interior, Bureau of Mines, 1961), also by H. J. Heinen (page images at HathiTrust)
• Engel, Abraham L.: Experimental treatment of oxidized lead-silver ore from Eureka, Nev. (U.S. Dept. of the Interior, Bureau of Mines, 1951) (page images at HathiTrust)
• Engel, Abraham L.: Experiments in reducing the phosphorus content of a Nevada iron ore (U.S. Dept. of the Interior, Bureau of Mines, 1959), also by H. J. Heinen (page images at HathiTrust)
• Engel, Abraham L.: Laboratory treatment of California and Nevada manganese ores by sulfation-reduction and other methods (U.S. Dept. of the Interior, Bureau of Mines, 1960), also by H. J. Heinen (page images at HathiTrust)
• Engel, Abraham L.: Mount Eddy and Shasta View asbestos deposits, Siskiyou County, Calif. (Bureau of Mines, 1962), also by Kevin Malone and Willmar T. Benson (page images at HathiTrust)
• Engel, Abraham L.: Simple treatment methods for oxide gold and silver ores (U.S. Dept. of the Interior, Bureau of Mines, 1951) (page images at HathiTrust)

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