Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,151 pages of information and 233,681 images on early companies, their products and the people who designed and built them.

BTH: Radio and Television

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1924. Radiola No 1 crystal set and valve amplifier. Exhibit at Amberley Working Museum.
Radiola (detail).
c1926. Moving coil loudspeaker. Exhibit at the National Museum of Scotland in Edinburgh.

Note: This is a sub-section of BTH

1928 BTH undertook radio set manufacturer for the AEI Group; production of domestic receivers ended after about 3 years[1]

See Also


Sources of Information

  1. Competition Commission report