this talk of lights reminds me that I have stash of nice 70s Soubitez Bottle dynamo and lights. They come with all the required fittings and cables. Bolt ons for fixing to fenders. $28 a full set including airmail.
When those Sanyo BB generators first came to the, imported by Ron Kit I think, I used to get through them at the rate of one a winter! They were quiet and gave a good current, but the drum used to wear out and slip, or just slip if it was wet or snowing, (ie most of the time). I used to grind groves in the drum to extend their life or bond glass paper to them. I turned on up in some old stock last year and fitted it to my winter bike for ridding down the gym of an evening. It lasted two months, started slipping and then siezed! Brought back some memories.