Electric traction

Bo'Bo' motor-coaches class Be 4/4 of the wynental and suhrental railway / J. Werder.- Two-coach trainsets class Be 8/8 built in 1976 for the forch line, Zurich / W. Frech.- Class Bhe 4/4 motor-coaches of the Bayerische Zugspitzbahn AG / R. Venetz.- Ten years of the BBC direct d.c. convertor for short-distance vehicles / R. Knapp.- Commutator traction motors for local transport services / H. Haas.- A comparative study of the various types of electric traction motor in their specific fields of applications / R. Moser.- Electrical equipment for chopper trolleybuses / J. P. Garnier, S. Manzoni, P. Vilpert.- Suburban trainsets class 9000 / P. Bieri [and other].- The Swiss contribution to the development of equipment for passenger comfort in rail passenger coaches / P. Diefenhardt.- Comfort in passenger coaches / P. Strub.- Transistorized battery chargers / K. Tapavica.- Tubochargers for traction diesel engines / M. Wehrlin.- Substations for the power supply to the Sao Paulo Metro / W. Spatny