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41–60 von 2,884 Ergebnissen
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    The steam tractor hauling ore in Washington

    Perkins, Frank C. | Engineering Index Backfile | 1911
    Schlagwörter: Mining

    An accident with breathing apparatus

    Forstmann, Herr. | Engineering Index Backfile | 1913
    Schlagwörter: Mining

    Benzine locomotives

    Baijot, A.J. | Engineering Index Backfile | 1914
    Schlagwörter: Mining

    Underground locomotive haulage costs

    Baijot, A. | Engineering Index Backfile | 1914
    Schlagwörter: Mining

    Motor haulage and side tracks

    Brackett, George S. | Engineering Index Backfile | 1915
    Schlagwörter: Mining

    Gasoline locomotive haulage

    Engineering Index Backfile | 1915
    Schlagwörter: Mining

    Wirtschafts-statistisches Handbuch für Sowjetrußland

    Spektator, M. | GWLB - Gottfried Wilhelm Leibniz Bibliothek | 1922
    Schlagwörter: Bergbau / Russische Sozialistische Föderative Sowjetrepublik / 1918-1933 , Bergbau / Rußland / 1871-1918

    Gathering without animals locomotives or conveyors

    Cornet, F.C. | Engineering Index Backfile | 1923
    Schlagwörter: Coal mining

    With hand shoveling 10 tons per man and 26 tons per loader already attained

    Brosky, A.F. | Engineering Index Backfile | 1924
    Schlagwörter: Coal mining

    With mechanical loading, cars can be manipulated if face be well shot and trips available

    Gottschalk, C. | Engineering Index Backfile | 1926
    Schlagwörter: Coal mining

    A haulage system with gathering locomotives only

    Adams, R.L. | Engineering Index Backfile | 1928
    Schlagwörter: Coal mines and mining

      A haulage system with gathering locomotives only

      Adams, R.L. | Engineering Index Backfile | 1928
      Schlagwörter: Coal mines and mining

    Safety problems in coal mining

    Greenwald, H.P. | Engineering Index Backfile | 1928
    Schlagwörter: Coal mines and mining

    Montana. The colstrip operation in Montana

    Wadleigh, F.R. | Engineering Index Backfile | 1928
    Schlagwörter: Coal mines and mining

    Stoping methods in Michigan copper lodes

    Mendelsohn, A. | Engineering Index Backfile | 1928
    Schlagwörter: Copper mines and mining

    Valedictory address

    Roberts, F.G.A. | Engineering Index Backfile | 1928
    Schlagwörter: Gold mines and mining

    Colliery railway sidings

    Parker, J.W. | Engineering Index Backfile | 1928
    Schlagwörter: Coal mines and mining

    Wholesale first-aid training reduces mining accidents

    Forbes, J.J. / Currie, R.D. | Engineering Index Backfile | 1929
    Schlagwörter: Mines and mining

    Nigeria in 1928

    Engineering Index Backfile | 1929
    Schlagwörter: Mines and mining