1–20 von 34 Ergebnissen
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    The Four Forces of Nature

    Kummer, W. | British Library Online Contents | 1997

    Power recuperation and fluctuations in electric railroad practice

    Kummer, W. | Engineering Index Backfile | 1929

    Three-phase locomotives for the Simplon railway

    Kummer, W. | Engineering Index Backfile | 1909

    Die federnden Zahnrader der Lotschberg-Lokomotiven, Typ 1-E-l

    Kummer, W. | Engineering Index Backfile | 1916

    Tramway, trolleybus and autobus

    Kummer, W. | Engineering Index Backfile | 1940

    The power requirements on future electrification of Swiss railways

    Kummer, W. | Engineering Index Backfile | 1913

    Specific power consumption of mountain railroads

    Kummer, W. | Engineering Index Backfile | 1929

    The Gotthard railway and Giovi system

    Kummer, W. | Engineering Index Backfile | 1912

    Special locomotives for alpine electric railways

    Kummer, W. | Engineering Index Backfile | 1909

    Frequency of railroad trips of various lengths

    Kummer, W. | Engineering Index Backfile | 1930