OUR PRODUCT MANUFACTURERS

KW Electronics of Dartford established by Rowley Shears G8KW who established KW Electronics in the mid 1950s. Those Radio Amateurs who joined the hobby in the 1950's or 60's will be familiar with the range of Amateur rigs that KW Electronics produced at the Vanguard Works in Dartford, Kent. During this period KW Electronics was the UK's leading Amateur Radio manufacturer. The 1960's saw the widespread adoption of Single Sideband and for many Radio Amateurs their first SSB radio was a KW. Even after the company stopped manufacturing in the 1970's KW equipment remained popular on the second-hand stands at rallies. KW Electronics...

The type of loudspeaker drive unit upon which Lowther's reputation was built, grew from the twin-cone units invented by P.A.G.H. Voigt.   Colleagues and two sound- engineers, Rice and Kellog, were simultaneously designing single cone drive units, a pattern which has served for a very long time in meeting listening requirements. However, when the very best possible standards of reproduction were wanted, it was to the twin-cone unit that the experts invariably turned. Oddly enough, patents for both these types of units were lodged within two weeks of each other. During the mid-1930's, moving-coil loudspeakers, which were rapidly growing in popularity, used...

The Marconi Company should not be confused with the Marconi Corporation which was created in 1999, by the renaming of The General Electric Company (GEC) less the Marconi Electronic Systems business. Up to 1963, the term Marconi Co was often used as shorthand for Marconi's Wireless Telegraph Co. 1963 Marconi's Wireless Telegraph Co, a subsidiary of the English Electric Co, was renamed the Marconi Company 1968 Queen's Award to Industry for Technological Innovation 1968 English Electric Co was taken over by GEC 1968 Marconi was incorporated in the new divisions of GEC group. 1987 Renamed GEC-Marconi. 1998 Creation of Marconi Electronic Systems Ltd (MES) incorporating the defence electronics...

Professor Sir. Ambrose Fleming comissioned the preparation of his prototype diode valve by the Edison Swan (later Mazda) factory at Ponders End near London in 1904.  Professor Fleming was Technical Consultant to the Edison Swan Company at the time which may be why he did not use A C Cossor. .  It was this close co-operation between University and Factory which resulted in the first radio valve in the world." The Ediswan/Mazda company had a convoluted ownership path being in turn owned by AEI, BTH and Thorn.  Valves were preduced in the Ediswan works but some were made in France through...

1920 Company founded. 1922 Private company. 1932 Company made public. 1953 Manufacturer of TV sets 1956 June. Radio and Allied Industries bought McMichael Radio, a small public company, for £345,000. 1958. Have 90,000 sq ft factory at Wexham Road, Slough and and additional 30,000 sq ft on leasehold in Slough. 1961 Designers and manufacturers of telecommunication radar and electronic equipment, and radio and television cabinets. 750 employees.