Search Results - Coggeshall, E. J. (Earl Jeffries), 1902-

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  1. 1
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    Some studies on emergency mine communications / by E.J. Coggeshall, E.W. Felegy, and L.H. Harrison. by Coggeshall, E. J. (Earl Jeffries), 1902-

    Published 1948
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  2. 2
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    Dry cells and their application to mining / by A.B. Hooker and E.J. Coggeshall. by Hooker, A. B. (Alva Britt), 1886-

    Published 1934
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  3. 3
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    Special multiple-shot blasting units / by A.B. Hooker and E.J. Coggeshall. by Hooker, A. B. (Alva Britt), 1886-

    Published 1935
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  4. 4
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    Fuel for permissible flame safety lamps : (a revision of RI 3389) / A.B. Hooker and E.J. Coggeshall. by Hooker, A. B. (Alva Britt), 1886-

    Published 1945
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  5. 5
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    Lag, spread, and sustained ignition in electric detonators / by A.B. Hooker and E.J. Coggeshall. by Hooker, A. B. (Alva Britt), 1886-

    Published 1934
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  6. 6
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    Applicability of radio to emergency mine communications : progress report, September 1946 to November 1947 / by E.W. Felegy and E.J. Coggeshall. by Felegy, E. W.

    Published 1948
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  7. 7
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    Do fuses protect against methane ignitions? / by A.B. Hooker and E.J. Coggeshall. by Hooker, A. B. (Alva Britt), 1886-

    Published 1932
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  8. 8
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    Fuel for permissible flame safety lamps / by A.B. Hooker and E.J. Coggeshall. by Hooker, A. B. (Alva Britt), 1886-

    Published 1938
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  9. 9
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    Do fuses protect against methane ignitions?

    Published 1932
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  10. 10
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    Behavior of flame safety lamps in mine atmospheres deficient in oxygen / by A.B. Hooker, E.J. Coggeshall, and G.W. Jones. by Hooker, A. B. (Alva Britt), 1886-

    Published 1937
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  11. 11
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    Rubber-sheathed trailing cables / by L.C. Ilsley, A.B. Hooker and E.J. Coggeshall. by Ilsley, L. C. (Lee Clyde), 1880-

    Published 1932
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  12. 12
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    The improved permissible flame safety lamps / by L.C. Ilsley, A.B. Hooker, and E.J. Coggeshall. by Ilsley, L. C. (Lee Clyde), 1880-

    Published 1936
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
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  13. 13
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    Rubber-sheathed trailing cables

    Published 1932
    Other Authors: “…Coggeshall, E. J. (Earl Jeffries), 1902-…”
    Government Document Microfilm Book

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