Re: Curiosity on the roof of 3506
  Dudley Horscroft

Perhaps to detect the total amount of light received and to switch on interior lights when the sunlight decreases sufficiently - to save the driver having to  switch on?

Regards

Dudley Horscroft

On 17/07/2021 8:58 pm, Andrew C wrote:
> At the base of the pantograph on one side is a single of what looks to be a solar panel. On the other side of the pantograph is a pair of panels. They look far from new and perhaps there is a connection to 3506 advertising BP Solar Panels in 2008. One tram knowledgeable friend thinks not. Thoughts?

>

> Andrew.

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