Colchester Triumph Hydropower 390 Lathe: Instruction and Maintenance Manual. Includes a copy of the makers detailed Sales & Technical Specification Catalogue.

COLCHESTER HYDRO NC540 Lathe: "This manual covers the detailed maintenance of the mechanical parts of the machine and the setting of electrical items such as limit switches". Includes a circuit diagram for the Variator Mk. V1 Servo Controller.

Triumph Hydropower 390 Lathe. Set of nine large electrical schematics. As these are "blueprints" they are best sent as high-resolution files or PDFs