Originally Posted by
oldmuthariley
hi,
yes, both 700c wheels . Designed to just have a rear derailleur and a single chain ring up front.
like this...

A single shifter for the rear definitely points to a Time Trial rig - especially in the UK, I think. At the time that bike was likely built, "funny" TT bikes were not yet in existence, and 700C front and rear would have been standard on specialized time trial frames.