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British Thomson-Houston (BTH)
was a British engineering and industrial company based
in Rugby, Warwickshire, England and founded in 1894 as a
subsidiary of General Electric Company (GE) of
Schenectady, New York, USA.
Before that the
company was called Laing, Wharton and Down Construction
Syndicate. |
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They were especially known
for their electrical systems and steam turbines.
Around 1920 they started making radios,
loudspeakers, headphones, amplifiers, radio lamps (under
our own brand name and the Mazda brand) and parts.
In 1922 BTH was one of the six founders
of the BBC.
Radio production stopped after 1929. |
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BTH was taken into British
ownership and merged in 1928 with the similar company of
Metropolitan-Vickers to form Associated Electrical
Industries (AEI). The two brand identities were
maintained until 1960. The holding company AEI was later
merged with GEC. Part of it still exists today as
Marconi Corporation. |
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| The Britisch
Thompson Houston factory on an old photograph |
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