Trams

[codswallop]

I have a picture of a tram from the 1920's,but I can't see any overhead wires,did they ever electrify the rails that the trams ran on???? Thanks1

[scotman]

I don't know about electrification of rails but some tram lines had a continuous cable running on the route which each carriage attached itself to.

[ABerrant]

http://en.wikipedia.org/wiki/Tram

[codswallop]

Thank you both for very interesting replies.