This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910 Excerpt: ...XL, xlv, 382-398; Discussion, XL, 868-873. Hofman, H. O., and Siostowitsch, W.: Behavior of Calcium Sulphate at Elevated Temperatures with Some Fluxes, XXXIX, lI, 628653; XL, li, 807-808. Hofman, H. O., Caypless, W. S., and Harrington, E. E.: The Constitution of Ferro-Cuprous Sulphides, XXXVII, lxxiii; XXXVIII, 11ii, 142-153. Hofman, H. O., Hayden, R., and Hallowei.l, H. B.: A Study in Refining and Overpoling Electrolytic Copper, XXXVII, lxxiii; XXXVIII, liii, 171-195. Hofman, H. O., Reynolds, R. P., and Wells, A. E.: Laboratory-Experiments in Lime-Roasting a Galena-Concentrate, with Reference to the Savelsberg Process, XXXVII, lxxiii; XXXVIII, lli, 126141. Hofman, Green, and Yerxa: on modifications in fracture and micro-structure of copper, XXXVIII, 172. Hog mountain, Ala.: Treatment of the Gold-Ores, XXXIX, 578-583. Hoisting, mine: progress, XL, 545. Holland silver-mine, Santa Cruz county, Ariz., XXXVI, 626, 629, 630. Holley, Alexander L.: improvements in Bessemer practice, XXXVII, lix. Holmes, Joseph A.: The Investigations of Fuels and Structural Materials by the Technologic Branch of the U. S. Geological Survey, XXXIX, x1 . A Rational Basis for the Conservation of Mineral Resources, XL, xlvi. Honorary Members of the Institute: see American Institute of Mining Engineers. Horwood, C. Baking, and Park, Mungo: Development-Sampling and OreValuation of Gold-Mines, XXXIX, 1i, 685-694. Hoskin, A. J.: Discussion on The Mining-Course at the Sheffield Scientific School, Yale University, XL, xliii. Howard, H. W. B.: appointed Assistant Secretary and Assistant Treasurer of the Institute, XXXVII, xxvii. death, XXXVII, xxix. Howard, James E.: Work of the Testing Department of the Watertown Arsenal, in Its Relation to the Metallurgy of Steel, XXXIX, xlii, 22...