London Underground battery loco's

[pmessling]

Bit of a different preseptive of the battary loco's used on the london underground. Digital scanning.

[Silver Smudger]

Any more to this story? - How's it done? What for?

[pmessling]

I work for the department that offer these for service around the underground. I can't remember why they digitally scanned them in, but i thought its an interesting view especially the undercarriage on which was still on the rail at the time.