Colchester Triumph 7-inch 1930s to mid-1940s Geared-head Model. 2 Sales & Technical Specification Catalogues
COLCHESTER TRIUMPH 7-inch 1930s to mid-1940s Geared-head Model. 2 Sales & Technical Specification Catalogues showing the Changewheel and Screwcutting-gearbox versions. 8 pages.