Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,649 pages of information and 247,065 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

BTH: Radio and Television

From Graces Guide
1924. Radiola No 1 crystal set and valve amplifier. Exhibit at Amberley Working Museum.
Radiola.
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

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Sources of Information

  1. ↑ Competition Commission report
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