1–19 von 19 Ergebnissen
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    Three-phase locomotives for the Simplon railway

    Kummer, W. | Engineering Index Backfile | 1909

    Special locomotives for alpine electric railways

    Kummer, W. | Engineering Index Backfile | 1909

    The electric railway from Biasca to Acquarossa

    Kummer, W. | Engineering Index Backfile | 1911

    The Gotthard railway and Giovi system

    Kummer, W. | Engineering Index Backfile | 1912

    The power requirements on future electrification of Swiss railways

    Kummer, W. | Engineering Index Backfile | 1913

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

    Kummer, W. | Engineering Index Backfile | 1916

    Power recuperation and fluctuations in electric railroad practice

    Kummer, W. | Engineering Index Backfile | 1929

    Specific power consumption of mountain railroads

    Kummer, W. | Engineering Index Backfile | 1929

    Frequency of railroad trips of various lengths

    Kummer, W. | Engineering Index Backfile | 1930

    Lösungen zur simultanen Reduktion limitierter Schadstoffkomponenten

    Zikoridse, G. / Kummer, C. / Heidrich, E. et al. | Tema Archiv | 2005