 The selection of explosives used in engineering and mining operations, by Clarence Hall and SP Howell. 1913. 50 pp., 3 pis., 7 figs. BULLETIN 52.  Bulletin - Page 2361914Full view - About this book
 | Lake Superior Mining Institute - Mineral industries - 1913 - 1008 pages
...practically the same. The above investigations are described in detail in Bulletin 48, Bureau of Alines, "The Selection of Explosives Used in Engineering and Mining Operations" by Clarence Hall and Spencer P. Howell. The following statement regarding the work is of interest : "The mine tests, although... | |
 | Richard Bishop Moore, Karl Ludwig Kithil - Radium - 1913 - 116 pages
...workings in the Northern Anthracite Coal Basin of Pennsylvania, by NH Barton. 1913. 33 pp., 8 pls., 5 figs. BULLETIN 48. The selection of explosives used in engineering and mining operations, by C1arence Hall and SP Howell. 1913. 50 pp., 3 pls., 7 figs. BULLETIN 50. A laboratory study of the inflammability... | |
 | Mines and mineral resources - 1913 - 1054 pages
...BULLETIN 4G. An investigation of explosion-proof mine motora, by Ы. H. Clark, 1912. 44pp., 6 pis., 14 figs. BULLETIN 48. The selection of explosives used in engineering and mining operadone, by Clarence Hall and SP Howell. 1913. 50pp., 3 pis., 7 figs. BULLETIN 51. The analysis of... | |
 | Mines and mineral resources - 1914 - 844 pages
...figs. BULLETIN 46. An investigation of explosion-proof mine motors, by HH nark. 1912. 44 pp., 6 pis.. 14 figs. BULLETIN 48. The selection of explosives...operations, by Clarence Hall and SP Howell. 1913. 50 pp., 3 pis., 7 figs. BULLETIN 51. The analysis of black powder and dynamite, by WO Snelling and CG Storm.... | |
 | United States. Bureau of Mines. Committee on Resuscitation from Mine Gases - 1914 - 40 pages
...figs. BULLETIN 46. An investigation of explosion-proof mine motors, by HH Clark. 1912. 44 pp., 6 pis., 14 figs. BULLETIN 48. The selection of explosives...operations, by Clarence Hall and SP Howell. 1913. 50 pp., 3 pis., 7 figs. BULLETIN 52. Ignition of mine gases by the filaments of incandescent electric lamps,... | |
 | United States. Department of the Interior - 1914 - 986 pages
...minerals, ores, and metals ; discusses new sources of supply and the probable development of new uses. Bulletin 48. The Selection of Explosives Used in Engineering...Operations, by Clarence Hall and SP Howell. 1913. 50 pp., 3 pis., 7 figs. States the characteristics of different classes of explosives and sets forth the results... | |
 | United States. Department of the Interior - 1914 - 1082 pages
...minerals, ores, and metals; discusses new sources of supply and the probable development of new uses. Bulletin 48. The Selection of Explosives Used In Engineering...Operations, by Clarence Hall and SP Howell. 1913. 50 pp., 3 pis., 7 figs. States the characteristics of different classes of explosives and sets forth the results... | |
 | Tunneling - 1914 - 770 pages
...exudation of the nitro-glycerine. DEPARTMENT OF THE INTERIOR BUREAU OF MINES JOSEPH A. HOLMES. DIRECTOR THE SELECTION OF EXPLOSIVES USED IN ENGINEERING AND MINING OPERATIONS BY CLARENCE HALL AND SPENCER P. HOWELL WASHINGTON GOVERNMENT PRINTING OFFICE 1913 First edition, February, 1013. Page. General... | |
 | Mineral industries - 1914 - 852 pages
...information of all persons interested in explosives and their safe and efficient use in mining work. APAS Selection of Explosives used in Engineering and Mining Operations. — By Clarence Hall and Spencer P. Howell. Bur. ilines, 1913, Bulletin No. 48, pages 1-50. This Bulletin deals with the characteristic... | |
 | Robert Young Williams - Mine ventilation - 1915 - 46 pages
...figs. BULLETIN 46. An investigation of explosion-proof mine motors, by HH Clark. 1912. 44 pp., 6 pis., 14 figs. BULLETIN 48. The selection of explosives...operations, by Clarence Hall and SP Howell. 1913. 50 pp., 3 pis., 7 figs. BULLETIN 50. A laboratory study of the inflammability of coal dust, by SCW Frazer, EJ... | |
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