Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,386 pages of information and 233,857 images on early companies, their products and the people who designed and built them.
of 288 York Way, London, N7. Telephone: North 4021. Cables: "Kastoren, Holway, London".
1947 Listed Exhibitor. Manufacturers of Upright Pianos, Grand Pianos, Miniature Pianos. (Olympia, Ground Floor, Stand No. C.1560) 
1971 Acquired Charles H. Challen and Son