 | Walter Otheman Snelling, Christian George Storm - Dynamite - 1916 - 94 pages
...a chapter on the explosion at the experimental mine, by GS Rice. 1912. 75 pp., 7 pls. BULLETIN 46. An investigation of explosion-proof mine motors, by HH Clark. 1912. 44 pp., 6 pls. BULLETIN 48. The selection of explosives used in engineering and mining operations, by Clarence... | |
 | Mines and mineral resources - 1917 - 1078 pages
...BULLETIN 17. A primer on explosives for coal miners, by CE Munroe and Clarence Hall. 61 pp., 10 pis., 12 figs. BULLETIN 48. The selection of explosives used...mining operations, by Clarence Hall and SP Howell. 1914. 50 pp., 3 pis., 7 figs. BULLETIN 59. Investigations of detonators and electric detonators, by... | |
 | 1917 - 70 pages
...Director, Bureau of Mines, for a copy of the latest list. PUBLICATIONS AVAILABLE FOR FREE DISTRIBUTION. BULLETIN 48. The selection of explosives used in engineering...mining operations, by Clarence Hall and SP Howell. 1914. 50 pp., 3 pis., 7 figs. BULLETIN 57. Safety and efficiency in mine tunneling, by DW Brunton and... | |
 | Mines and mineral resources - 1917 - 992 pages
...Director Bureau of Mines for a copy of the latest list. PUBLICATIONS AVAILABLE FOR FBEE DISTRIBUTION. BULLETIN 48. The selection of explosives used In engineering and mining operations, by Clarence Hall and SP Howe)]. 1914. 50 pp., 3 pis., 7 figs. BULLETIN 57. Safety and efficiency in mine tunneling, by DW Brunton... | |
 | Mines and mineral resources - 1918 - 1098 pages
...of Mines, for a copy of the latest list. PUBLICATIONS AVAILABLE FOR FREE DISTRIBUTION. BUTJ.ETIN 46. An Investigation of explosion-proof mine motors, by...HH Clark. 1912. 44 pp., 6 pis., 14 figs. BULLETIN 52. Ignition of mine gases by the filaments of incandescent electric himps, by HH Clark and LC Ilsley.... | |
 | Mines and mineral resources - 1918 - 1340 pages
...JCW Frazer, Axel Lnrsen, Frank Haas, and Carl Scholz. 1911. 204 pp., 14 pis., 28 figs. BULLETIN 46. An investigation of explosion-proof mine motors, by HH Clark. 1912. 44 pp., 6 pis., 14 flgs. BULLETIN 48. The selection of explosives used In engineering and mining operations, by Clarence... | |
 | American Mining Congress. Standardization division - 1924 - 332 pages
...monoxide), the smaller diameters of cartridge will give the 1 Quinan, WR, High Explosives, p. 27. * Bulletin 48, The Selection of Explosives used in Engineering and Mining Operations, Clarence Hall and Spencer P. Howell, p. 17. greater quantities of poisonous gases because of this increased... | |
 | United States. Congress. House. Committee on Labor - 1926 - 86 pages
...46. An Investigation of Explosion-Proof Motors, by HH Clark. 1912. 44 pp., 6 pis., 14 figs. 10 cents. Bulletin 48. The Selection of Explosives Used in Engineering...Mining Operations, by Clarence Hall and SP Howell. 1914. 50 pp., 3 pis., 7 figs. Bulletin 52. Ignition of Mine Gases by the Filaments of Incandescent... | |
 | United States. Congress. Senate. Committee on Education and Labor - Lungs - 1936 - 120 pages
...Director, Bureau of Mines, for a copy of the latest list. PUBLICATIONS AVAILABLE FOE FREE DISTRIBUTION Bulletin 48. The selection of explosives used in engineering...mining operations, by Clarence Hall and SP Howell. 1914. 50 pp., 3 pis., 7 figs. Bulletin 80. A primer on explosives for metal mines and quarrymen, by... | |
 | United States. Bureau of Mines - Mines and mineral resources - 1913 - 1622 pages
...Northern Anthracite Basin of Pennsylvania, by NH Darton. 1913. 33 pp., 8 pis., 5 figs. BULLETIN 46. An investigation of explosion-proof mine motors, by...48. The selection of explosives used in engineering 1 and mining operations, by Clarence Hall and SP Howell. 1913. 50 pp., 3 pis., 7 figs. BULLETIN 52.... | |
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BULLETIN 48. The selection of explosives used in engineering and mining operations, by Clarence Hall and SP Howell. 
