Showing 1 - 10 results of 10 for search 'Callen, A. C (Alfred Copeland), 1888-', query time: 0.22s Refine Results
  1. 1
    Coal-mine gases /

    Book
  2. 2
    Coal-mine gases : technical information for use in vocational training classes

    Government Document Book
  3. 3
    The measurement of air quantities and energy losses in mine entries,

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    Book
  4. 4
    Accidents from hand and mechanical loading in some Illinois coal mines /

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    Book
  5. 5
    Washability tests of Illinois coals, conducted by the Engineering Experiment Station, University of Illinois in cooperation with the Zeigler Coal and Coke Company

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    Book
  6. 6
    General mining

    Book
  7. 7
    Coal-mine gases

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  8. 8
    General mining October, 1919.

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    Book
  9. 9
    Flame safety lamps, devices for detecting fire damp and miners' electric lamps : technical information for use in vocational training classes
    Other Authors: “...Callen, A. C (Alfred Copeland), 1888-...”

    Government Document Book
  10. 10
    Coal-mine ventilation : technical information for use in vocational training classes
    Published 1931
    Other Authors: “...Callen, A. C (Alfred Copeland), 1888-...”

    Government Document Book
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