Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,020 pages of information and 231,556 images on early companies, their products and the people who designed and built them.
of 25 Oxford Street, London, W1. Telephone: Regent 0607. Cables: "Crystalry, London"
1913 Electrical Goods Manufacturer, Supplier or Engineer. Bioscope Annual for 1913 and 1914 lists business also as Manufacturer of Electric Signs.
1929 Listed Exhibitor. Manufacturers of "Franco Signs". For all types of Signs, including Piccadilly Electric Signs, Electric Letter Signs, Illuminated Facias, Box, Window Reflectors, Luxor, Glass, Enamelled Plate and Franco-Reflex Signs for Traffic Control. (Stand No. M.52) 
1937 Manufacturers of all types of signs. "Franco" Neon Signs and Reflex Signs. 
1938 Patent - Improvements in or relating to the production of luminescent screens.