A patina creation device (50) arranged to be connected to a railway car (4), and to be put in contact with a third rail (6) running in parallel to a rail (2) of a railway line on which the railway car (4) is placed, said patina creation device (50) comprising a least one bar (50a) extending along a longitudinal axis of the third rail (6) and arranged to be consumed by friction against the third rail (6), thus forming a coating layer on said third rail (6).
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