Search Results - Howell, S. P. (Spencer Pritchard), 1880-1937

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  1. 1
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    Sensitiveness of explosives to frictional impact. by Howell, S. P. (Spencer Pritchard), 1880-1937

    Published 1919
    Government Document Book

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  2. 2
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    Explosives accidents in the anthracite mines of Pennsylvania, 1923-1927 / by Howell, S. P. (Spencer Pritchard), 1880-1937

    Published 1931
    Government Document Book

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  3. 3
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    Experience with electrical and other means of firing shots of explosives in the anthracite region of Pennsylvania / by Howell, S. P. (Spencer Pritchard), 1880-1937

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  4. 4
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    Record of the Pittsburgh testing station standard dynamite / by Howell, S. P. (Spencer Pritchard), 1880-1937

    Published 1926
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  5. 5
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    Investigations of detonators and electric detonators / by Hall, Clarence, Howell, S. P. (Spencer Pritchard), 1880-1937

    Published 1913
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  6. 6
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    Methods for routine work in the Explosives physical laboratory of the Bureau of mines. by Howell, S. P. (Spencer Pritchard), 1880-1937, Tiffany, J. E. (Joseph Edgar), 1879-

    Published 1918
    Government Document Book

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  7. 7
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    Blasting to lessen bowlders in hard-ore stopes. by Gardner, E. D. (Eugene Delos), 1885-, Howell, S. P. (Spencer Pritchard), 1880-1937

    Published 1926
    Government Document Book

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  8. 8
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    Progress of investigation of liquid-oxygen explosives. by Howell, S. P. (Spencer Pritchard), 1880-1937, Paul, J. W. (James Washington), Sherrick, Jacob Leighty, 1887-

    Published 1923
    Government Document Book

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  9. 9
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    The selection of explosives used in engineering and mining operations / by Hall, Clarence

    Published 1913
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
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  10. 10
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    Magazines and thaw houses for explosives. by Hall, Clarence

    Published 1912
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
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  11. 11
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    Investigations of fuse and miners' squibs. by Hall, Clarence

    Published 1912
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
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  12. 12
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    Preventing accidents by the proper use of permissible explosives / by Harrington, D. (Daniel), 1878-

    Published 1936
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
    Government Document Book

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  13. 13
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    Prevention of accidents with explosives in the tri-state zinc and lead ore producing district /

    Published 1928
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
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  14. 14
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    Experience with electrical and other means of firing shots of explosives in anthracite region of Pennsylvania

    Published 1930
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
    Government Document Microfilm Book

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  15. 15
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    Investigations of fuse and miners' squibs

    Published 1912
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
    Government Document Microfilm Book

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  16. 16
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    Magazines and thaw houses for explosives

    Published 1912
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
    Government Document Microfilm Book

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  17. 17
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    Misfires in metal mining

    Published 1920
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
    Government Document Microfilm Book

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  18. 18
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    Additions, removals, and changes in permissible list of explosives from Mar. 15 to May 31, inc. 1922

    Published 1922
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
    Government Document Microfilm Book

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  19. 19
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    Sensitiveness of explosives to frictional impact

    Published 1919
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
    Government Document Microfilm Book

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  20. 20
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    Hazards of non permissible explosives

    Published 1924
    Other Authors: “…Howell, S. P. (Spencer Pritchard), 1880-1937…”
    Government Document Microfilm Book

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