A single reference in the Canadian Music Trades Journal, January, 1919, p. 59, for the Britannia phonograph manufactured by The Co-operative Music Supply Company, 73-77 Adelaide St. E., Toronto with its factory in Parkdale.

Toronto Daily Star, July 21, 1921, p. 59. It is not known whether this company, Britannia Cabinet and Phonograph Co., is the manufacturer of the Britannia phonograph advertised in the Canadian Music Trades Journal.