David Bromage <dbromage@omni.com.au> wrote in message 379FE412.1B0913E@omni.com.au">news:379FE412.1B0913E@omni.com.au... > When did conversion of trolley wheels to carbon skids commence? > Which trams were the first to be delivered with carbon skids? > > Cheers > David And are there any trolley pole trams still running? (W's excepted)