Aah, thanks, but no – it was good ol' Malcolm Hollins in this thread;
Chester 20 Eagle
Putting chester in the search box found 381 threads, mostly about Colchesters.
Putting chester eagle in told me there were no results for the phrase 'chester eagle'
I lost the will to go further until NDIY hinted I might be a bit stupid.
In any case there they are, if anyone wants them – personally I don't mind changing belts, and of the 'round column mill drill' variants, the machine in question will have had one of the most-usefully-spaced speed ranges, if the OP can find the bits to return it to standard trim.
Edited By DiogenesII on 11/03/2022 18:44:42