|Clarkson Mark I/II/III Tool and Cutter Grinder - Home Made parts and Modifications|
↓ Here is the nut in action.
↓ Here is a close up of the diamond tip.
↓ The toothrests were made from solid 50mm dia cast iron billets. The billets were sourced locally from a firm called Locate at Scunthorpe, who are willing to sell 12" lengths without any fuss.
↓ Here is the overarm tooth rest in action.
↓ This is an underside view that shows the manufacture and operation of the Bed Stop quite well.