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 148,478 pages of information and 233,901 images on early companies, their products and the people who designed and built them.

Glass Bulbs

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of Harworth, near Doncaster.

1946 Glass Bulbs Ltd was formed as a joint venture between GEC and BTH which supplied the blown-glass envelopes used by M-O Valve and as well as other valve makers [1].

1949 AEI and GEC had formed the joint company Glass Bulbs Ltd; a new factory in Harworth, Yorkshire was being built which would house 2 ribbon machines for the production of electric lamp bulbs; the capacity would be sufficient to supply the whole UK industry; it had been agreed with the other main manufacturers that prices would be reduced [2]

1958 The company was a joint venture between AEI and GEC which supplied components that both companies needed[3]

See Also


Sources of Information

  1. Competition Commission[1]
  2. The Times, Jun 14, 1949
  3. The Times, Sep 05, 1958