Rivett 1020S: Operating Instructions (there appear to have been two editions, both are included in case there are differences); Parts as Sectional Drawings; Lubrication Instructions; Wiring Diagrams & Electrical Data; sheets on the US Varidrive motors and Dings Magnetic Disc Brakes, wiring and coil replacement instructions.. Includes a copy of the maker's well-illustrated and detailed Sales & Specification Catalog.