 BULLETIN 48. 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. Ignition of mine gases by the filaments of incandescent electric lamps, by HH Clark and LC Ilsley....  Miners' Circularav United States. Bureau of Mines - 1911Uten tilgangsbegrensning - Om denne boken
 | 1913 - 690 sider
...States. — Recent publications include the following (see vol. xxxv, p. 330) : BULLETINS. — No. 48. Selection of explosives used in engineering and mining operations ; by CLARENCE HALL and SP HOWELL. Pp. 50 ; 3 pie., 7 figs. No. 52. Ignition of mine gases by the filaments of incandescent electric lamps... | |
 | 1913 - 1420 sider
...States. — Recent publications include the following (see vol. xxxv, p. 330) : BULLETINS. — No. 48. Selection of explosives used in engineering and mining operations ; by CLARENCE HALL and SP Ho WELL. Pp. 50 ; 3 pis., 7 tigs. No. 52. Ignition of mine gases by the filaments of incandescent electric... | |
 | Worcester Polytechnic Institute - 1912 - 500 sider
...the Lawrenceville School, Lawrenceville, NJ '99, HH Clark and LC Ilsley, '03, are joint authors of Bulletin 52: "Ignition of mine gases by the filaments of incandescent electric lamps." This was issued for free distribution by the US Bureau of Mines, March, 1913. It describes tests showing... | |
 | United States. Bureau of Mines - 1949 - 34 sider
...investigation of explosion-proof mine motors, by HH Clark. 1912. 44 pp., 6 pis., 14 figs. BULLETIN 48. The selection of explosives used in engineering and mining...filaments of incandescent electric lamps, by HH Clark and LC Ilsley. 1913. 31 pp., 6 pis., 2 figs. BULLETIN 53. Mining and treatment of feldspar and kaolin in... | |
 | United States. Bureau of Mines - 1917 - 56 sider
...204 pp., 14 pis., 28 figs. Reprint of United States Geological Survey Bulletin 425. BULLETIN 48. The selection of explosives used in engineering and mining...SP Howell. 1913. 50 pp., 3 pis., 7 figs. BULLETIN 59. Investigations of detonators and electric detonators, by Clarence Hall and SP Howell. 1913. 73... | |
 | United States. Bureau of Mines - 1949 - 20 sider
...Director, Bureau of Mines, for a copy of the latest list. u PUBLICATIONS AVAILABLE FOR FREE DISTRIBUTION. BULLETIN 52. Ignition of mine gases by the filaments of incandescent electric lamps, by HH Clark and LC Ilsley. 1913. 31 pp., 6 pis., 2 figs. BULLETIN 88. The condensation of gasoline from natural gas,... | |
 | United States. Bureau of Mines - 1918 - 118 sider
...of the inflammability of coal dust, by JCW Frazer, EJ Hoffman, and LA Scholl, jr. 1913. 60 pp., 95 figs. BULLETIN 52. Ignition of mine gases by the filaments of incandescent electric lamps, by UH Clark and LC Ilsley. 1913. 31 pp., 6 pis., 2 figs. BULLETIN 56. First series of coal-dust explosion... | |
 | 1911 - 968 sider
...investigation of explosion-proof mine motors, by II. H. Clark. 1912. 44 pp., 6 pis., 14 figs. BULLKTIN 4S. The selection of explosives used in engineering and mining operations, by Clarence Hall and S. I*. Howell. 1913. 50 pp., 3 pis.. 7 figs. BULLETIN 50. A laboratory study of the inflammability... | |
 | 1912 - 430 sider
...An investigation of explosion-proof mine motors, by HH Clark. 1912. 44 pp., 6 pis. BULLETIN 48. The selection of explosives used in engineering and mining...Clarence Hall and SP Howell. 1913. 50 pp., 3 pis. TECHNICAL PAPER 4. The electrical section of the Bureau of Mines, its purpose and equipment, by HH... | |
 | 1912 - 860 sider
...6 pk., 14 figs. BULLETIN 47. Notes on mineral wastes, by CL Parsons. 1912. 44 pp. BULLETIN 48. The selection of explosives used in engineering and mining operations, by Clarence Hall and SP Powell. 1913. 50 pp., 3 pis., 7 figs. BULLETIN 52. Ignition of mine gases by the filaments of incandescent... | |
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