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21–40 von 2,879 Ergebnissen
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    An aerial tramway, seven miles in length

    Engineering Index Backfile | 1907
    Schlagwörter: Mining

    State provisions for location of lode claims

    Morrison, R.S. | Engineering Index Backfile | 1907
    Schlagwörter: Mining

    An electric colliery railway

    Engineering Index Backfile | 1908
    Schlagwörter: Mining

    The introduction of automobiles for mining work

    Sorg, Herr | Engineering Index Backfile | 1908
    Schlagwörter: Mining

    Comparison of horse and benzine-locomotive haulage

    Steller, Franz | Engineering Index Backfile | 1908
    Schlagwörter: Mining

    The green self-dumping car haul

    Engineering Index Backfile | 1908
    Schlagwörter: Mining

    Mule-back transportation of sectionalized machinery

    Roberts, F.C. / Bradley, Walter W. | Engineering Index Backfile | 1909
    Schlagwörter: Mining

    The Boston consolidated tram

    Cates, Louis S. | Engineering Index Backfile | 1909
    Schlagwörter: Mining

    Accidents from use of explosives

    Stark, Jared W. | Engineering Index Backfile | 1909
    Schlagwörter: Mining

    Brakes for colliery winding engines

    Engineering Index Backfile | 1909
    Schlagwörter: Mining

    Mechanical haulage in mines

    Engineering Index Backfile | 1909
    Schlagwörter: Mining

    Bergarbeiterschutz, Massengräber, Radbod : Bericht vom Bergarbeiter-Kongress in Berlin (Neue Philharmonie) vom 1. bis 3. Februar 1909 ; nach der stenografischen Niederschrift

    Bergarbeiterkongreß / Verband der Bergarbeiter Deutschlands | GWLB - Gottfried Wilhelm Leibniz Bibliothek | 1909
    Schlagwörter: Arbeitsbedingungen / Bergbau / Deutschland / 1871-1918 , Arbeitsschutz / Bergbau / Deutschland / 1871-1918 , Schwarze Listen / Bergbau / Deutschland / 1871-1918

    Types of head frames on the mother lode

    Storms, William H. | Engineering Index Backfile | 1910
    Schlagwörter: Mining

    An automatic signal system for crossovers on underground railways operated by electric locomotives

    Mayer, Herr. | Engineering Index Backfile | 1910
    Schlagwörter: Mining

    The summers motor driven ore car

    Engineering Index Backfile | 1910
    Schlagwörter: Mining

    Underground electric gathering locomotives

    Perkins, Frank C. | Engineering Index Backfile | 1910
    Schlagwörter: Mining

    The steam tractor hauling ore in Washington

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

    Driverless accumulator locomotives

    Recktenwald, J. | Engineering Index Backfile | 1911
    Schlagwörter: Mining

    Gasoline motor haulage

    Sylvester, George E. | Engineering Index Backfile | 1911
    Schlagwörter: Mining