Kaskadenschaltung von Hochspannungsdrehstrommotoren. Patentiert im Deutschen Reiche vom 19. Dezember 1905 ab. (Kaiserliche Patentamt. Patentschrift Nr. 176418. Klasse 21d. Gruppe 43. Ausgegeben den 10 . September 1906. -- in Budapest.)
Berlin: Reichsdruckerei, (1906). 3, (1) p. 1 folding plate. Patent description of a three-phase electric motor by Koloman (Kálmán) Kandó (1869–1931) the pioneer in development of electric railway traction, known as “the father of electric train”. He gained his diploma as mechanical engineer in Budapest. As junior engineer he worked..... More