Newall Jig Borer No. 1 Operating and Maintenance Manual with Electrical schematics. The Newall No. 1 was renamed the Model 2436 and then, with just a greater table capacity, as the Model 2436 Mk. 2 and then - finally - re-numbered as the Model 2443.
Newall Jig Borer Model 2443 Mk. 3 Operating and Maintenance Manual with Parts as Sectional Drawings, and a copy of the maker's Sales and Specification Catalogue.