Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,414 pages of information and 211,641 images on early companies, their products and the people who designed and built them.
of 24 Parker Street, Kingsway, London, WC2. Telephone: Holborn 0021. Cables: "Singalotta, London".
1929 Advert in British Industries Fair Catalogue as an Optical, Scientific and Photographic Exhibit. Manufacturers of Acetylene Buoys, Lanterns, Apparatus for producing flashing lights, Regulators, Night Landing Lamps for Aerodromes, Mooring Lamps for Sea-planes. Valves operated by light; Surgical and Scientific Instruments generally and Wireless Apparatus. (Scientific Section - Stand No. O.35)