DescriptionSwiss Signal 0307-0310.png English: Diagrams of railway signals in Switzerland Date December 2010 Source Own work Author W.Rebel Other versions...
This image is a derivative work of the following images: File:Swiss_Signal_0307-0310.png licensed with PD-self 2011-05-25T15:25:58Z W.Rebel 442x682 (21390...
