My current 3 speed project will be to take a 1954 Raleigh Sports road bike that was originally equipped with a 3 speed drive and 26 inch EA1 wheels and run it with 700c wheels, an SA hub, and a Cyclo triple conversion to make it a 9 speed.
The difference between the EA1 and 700c is not that much so the brake reach can be adjusted for the 700c wheels.