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With
the opening of the power plant in
Massarelos, the coal was supplied from the coal-mine in São
Pedro da Cova by special tramcars called zorras. However the zorras were also
used to bring coal to other users like the gas-works and the Campanhã railway
station.
Original these cars had completely open platforms. When it rained,
the driver wore a black raincoat and hat, boots and insulator
gloves. Later the platforms were enclosed.
In the period about
1910-1925 the CCFP owned a total of probably 23 zorras numbered in the series
225 & 227-248. The STCP had a total of 25 zorras numbered 50-72 and
77-78. Zorra 77 is the last in use by the permanent way
department. The 58 and 66, the latter with open platforms, are part of the
museum collection.
But
the indication zorra was already used in the mule tram period for
open goods cars. The Carril owned 6 and the Carris 12. Later the
number of them increased. Probably most of these cars were later used as
trailers for many different purposes like the transport of fish and sand.
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