CHURCHILL Grinders. Full-range Catalogue circa 1930s to 1940s. 206 superbly-illustrated pages with full specification details.

Churchill HBY Internal Grinder: Operating and basic Maintenance Manual with an Electrical Schematic and a copy of the maker's Sales and Technical Specification Catalogue

Churchill PAW Grinder Universal (with notes on the PBW and HBY model): Comprehensive Maintenance and Operating Manual and Parts Manual as Sectional Diagrams.