Newall Jig Borer No. 1 and No.2. Manual
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, sold as the Model 2436 Mk. 2 and then, finally, renumbered as the Model 2443.