On 31/12/2019 16:52, Tim Lamb wrote:

I once discovered that British Rail carriage lamps fitted my Boxford
centre lathe work light!

On a school trip to London I stole all the bulbs out of the train
lavatories*. They fitted the light sockets in my mate's house where we
tried them but were a lower voltage and went off like flashbulbs.

*This was when I was a pupil, not a teacher.

Bill