Stuart Turner 50/68volt Generating set

Hello fellows,

I've this afternoon dug out from the back of the workshop a Stuart Turner low voltage generating set. From the dynamo plate. Plant No 9124, Dynamo 10115, 50/68 volt, 10 amp, 500watt, 1000RPM Its on a base driven with a 2 stroke Stuart. I'll post some photos later on. Would anyone have any information on this one there is no control panel or amp or voltmeter with it though. I guess it would have been used for battery charging? Its been lying in the back of the workshop for fifty years or so. /the engine is complete although I haven't looked too closely at it yet.
Two pairs of wiring coming out of the dynamo junction box, I guess the lighter pair would be for voltage/current control?
I note that the engine starting handle (missing) would have been engaged on the dynamo shaft. Any info appreciated.
Thanks,
Jim L

Just found this posting. You jogged my memory. Somewhere ???? I have a handbook for a P5 lighting set , I will have a dig. It might be some while.