The Online Books Page

Books by G. St. J. Perrott:

Books in the extended shelves:

• Perrott, G. St. J.: Additions, Removals and Changes in Permissible List of Explosives from January 1, 1925 to July 31, 1926 (U.S. Dept. of Commerce, Bureau of Mines, 1926), also by United States Bureau of Mines (page images at HathiTrust)
• Perrott, G. St. J.: Extinction of methane flames by dichloro-difluoro-methane (United States Bureau of Mines, 1930), also by G. W. Jones and United States Bureau of Mines (page images at HathiTrust)
• Perrott, G. St. J.: Gases in manholes : a survey of a utility in Boston, Mass. (United States Bureau of Mines, 1931), also by G. W. Jones and United States Bureau of Mines (page images at HathiTrust)
• Perrott, G. St. J.: Permissible explosives, mining equipment, and apparatus approved prior to January 1, 1925 (U.S. Dept. of the Interior, Bureau of Mines :, 1925), also by A.C. Fieldner, D.J. Parker, L.C. Ilsley, and John Edwards Crawshaw (page images at HathiTrust)
• Perrott, G. St. J.: The Trauzl block strength of dynamites (United States Bureau of Mines, 1930), also by N. A. Tolch and United States Bureau of Mines (page images at HathiTrust)

Find more by G. St. J. Perrott at your library, or elsewhere.