I enclose two more of Colin Clark’s images. I do not know any details of rider or machines, but the first looks like a Norton International (9), and is marked 1950-1951.

The second appears to be an AJS 7R “boy racer” (52). Note the trackside hazards!

I would be interested to find out if any friends or family members of these riders can identify them.
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Paul Hogarth
Read more Letters, Opinion, Reviews, News and Views in the March 2019 issue of OBM – on sale now!