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| A 1950s view |
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| a 1990s view |
Chiavenna is the end of a 26.2 km branch line from Colico - which in that distance rises from 211 metres altitude to 330 metres - opened on 9 September 1886. As mentioned in an earlier post, the lines in the Valtellina were notable for their pioneering use of 3-phase AC electric locomotives. On 15 October 1902 the electrification of the Colico-Lecco-Chiavenna and Colico-Sondrio lines was inaugurated with overhead at 3,600 Volts and nominal frequency of 16.7 Hz, powered by a hydroelectric plant at Campovico.
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| one of the 3-phase AC electric locos built by Ganz of Hungary |
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