The Online Books Page

Books by S. P. Howell:

Books in the extended shelves:

• Howell, S. P. (Spencer Pritchard), 1880-1937: Blasting to lessen bowlders in hard-ore stopes (U.S. Dept. of Commerce, Bureau of Mines :, 1926), also by E. D. Gardner (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Experience with electrical and other means of firing shots of explosives in the anthracite region of Pennsylvania (U.S. Dept. of Commerce, Bureau of Mines, 1930), also by United States Bureau of Mines (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Gases from blasting in tunnels and metal-mine drifts (U.S. G.P.O., 1927), also by E. D. Gardner and G. W. Jones (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Hazards in the use of delay-action detonators in coal mines (Washington, D.C. : United States, Department of Commerce, Bureau of Mines, 1929., 1929), also by D. Harrington and United States Bureau of Mines (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Hazards of nonpermissible explosives (Washington, D.C. : United States Department of the Interior, Bureau of Mines, 1924., 1924), also by M. W. Von Bernewitz and United States Bureau of Mines (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: How to use permissible explosives properly (U.S. Dept. of the Interior, Bureau of Mines, 1936), also by D. Harrington and United States Bureau of Mines (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Investigation of detonators and electric detonators (Govt. Print. Off., 1913), also by Clarence Hall (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Investigations of fuse and miners' squibs (U.S. Dept. of the Interior, Bureau of Mines, 1912), also by Clarence Hall (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Magazines and thaw houses for explosives (U.S. Dept. of the Interior, Bureau of Mines, 1912), also by Clarence Hall (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Methods for routine work in the Explosives physical laboratory of the Bureau of mines (U.S.Bureau of Mines, 1918), also by J. E. Tiffany and United States Bureau of Mines (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922 (U.S. Dept. of the Interior, Bureau of Mines, 1922), also by A. C. Fieldner, D. J. Parker, and L. C. Ilsley (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Permissible explosives : tested prior to January 1, 1917 (U.S.Bureau of Mines, 1917), also by United States Bureau of Mines (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Preventing accidents by the proper use of permissible explosives (U.S. Dept. of the Interior, Bureau of Mines, 1936), also by D. Harrington and United States Bureau of Mines (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Prevention of accidents with explosives in the tri-state zinc and lead ore producing district (U.S. Dept. of Commerce, Bureau of Mines, 1928) (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Progress of investigations on liquid-oxygen explosives (U.S. Dept. of the Interior, Bureau of Mines, 1923), also by Jacob Leighty Sherrick and J. W. Paul (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Record of the Pittsburgh testing station standard dynamite ([Washington, D.C.] : U.S. Dept. of Commerce, Bureau of Mines, 1926, 1926) (page images at HathiTrust)
• Howell, S. P. (Spencer Pritchard), 1880-1937: Sensitiveness of explosives to frictional impact (U.S. Dept. of the Interior, Bureau of Mines, 1919) (page images at HathiTrust)

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