Black and Decker Manual from 1927. It is a Photographic Portrayal of the detail of operations of the "Black and Decker Method. This shows Basic instructions on using the black and decker seat cutters and the Black and Decker No 45 Valve grinder
Black & Decker Principles of Valve and Valve Seat Reconditioning manual. This text book style manual shows step by step instruction procedures with illustrations on how valves operate in the engine and how to recondition the valve and grind the valve seats. This is a great reference to help someone new to valve grinding get started.