Dowding and Doll V4 Gear Hobbing Machine: Operating Manual with Gear Schedules and Charts. Includes a copy of the maker's detailed Technical Sales and Specification Catalogue.

Rigiva (Riva) Full-range Sales & Technical Specification Catalogue with ENGLISH and ITALIAN text.

ELLIOTT/Victoria U4 Universal, P4 Plain Horizontal and V4 Vertical MILLING MACHINES: Instruction Book and copies of the maker's Sales & Technical Specification Catalogues.