- 1The Valve Catalogue - Receiving Valves (YA1996.1735/MS0531/72)
1928 September, item - 2Ediswan Radio Apparatus - Accessories and Constructors Components (YA1996.1735/MS0531/75)
1929, item - 3The Wireless Catalogue (YA1996.1735/MS0531/78)
1928, item - 4The Valve Catalogue - Transmitting and Rectifying Valves (YA1996.1735/MS0531/79)
undated (20th century), item - 5The Mazda Valve Manual (YA1996.1735/MS0531/81)
1936-1937, item - 6The Catalogue of Batteries - Dry & Fluid Cells (YA1996.1735/MS0531/82)
1928 November, item - 7Ediswan Radio Apparatus and Mazda Radio Valves (YA1996.1735/MS0531/101)
1929, item - 8Ediswan Radio Apparatus - C2 Cone RK, Loud Speakers, Gramaphone Pick-Ups, Etc (YA1996.1735/MS0531/102)
1929, item - 9Mazda Radio Valves (YA1996.1735/MS0531/106)
c1933-1936, item - 10Mazda Valves (YA1996.1735/MS0531/107)
1936 July 14th, item - 11Technical literature and publications from Metropolitan-Vickers Electrical Co Ltd and others (YA1996.2432)
1932-1960, fonds
