On 10/06/2021 17:19, Tony Galloway wrote:
> It’s the telephone connection to the winding house.


7 minutes - typical fast response!

Yes, it was for a telephone connection to the engine house.

If you look at the pic (at: https://tdu.to/i/78320) you can see the
telephone above the driver's right shoulder.

The system now uses 'induction loop radios' according to Wikipedia, but
the trolley poles are retained as historic artifacts.

Mal Rowe - who only noticed the telephone when he scanned the old slide
yesterday.