Harrison V350 (Variable-speed drive). Detailed Operation & Maintenance Manual with Parts Manual as Sectional Drawings. Includes two electrical schematics and a spindle drive electrical fault-finding guide. (This lathe was sold as the Colchester VS3250 in the UK, and the Colchester 15-inch in the USA).

Broomwade Compressors V350, V500, VHP350 and VHP500 Operating and Maintenance Manual with Parts Manual as Exploded Component Drawings.

Colchester Master VS 3250 (Variable-speed drive) This lathe is the same as the Harrison V350. Large (176-page), full-edition Operation & Maintenance Manual with Parts Manual as Sectional Drawings. Includes two electrical schematics and an electrical fault-finding guide for the spindle drive.