Hi Bob,
It might still be possible to buy the castings for this cutter grinder they used to be available from Model Engineering Services who I bought castings to make a milling machine many years ago, I was going to build a Quorn but our model engineering club bought a Clarkson tool grinder so I never did; a lot of work for occasional use. There was a book written on its use by its designer which is still available. You might find it useful.
https://www.amazon.co.uk/dp/0852428324?tag=sa-symuk-21&linkCode=osi&th=1&psc=1Take care and stay safe.
Tony.