Priitkasikov that above is brilliant
All new to me but it's fascinating stuff.
Russian translators needed but I bet there are able people willing to fix/help with that one!!
Is one of them the Swift In Moscow??

I've still got no reply from the Coventry Transport Museum but I'm sure the bicycle curator is on holiday,
because I would have a reply by now if she wasn't.
I will call them tomorrow and get an answer.

Stick with us please and we will all be wiser soon.