Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,372 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
Glass envelopes were manufactured by BTH at Chesterfield
By 1956 AEI Lamp and Lighting Co was a part of AEI
1961 Glass Tubes and Components formed as a joint venture to take over the glass manufacture and sales activities of GEC at Lemington, and Wembley and the AEI Lamp and Lighting Co at Chesterfield, other than Glass Bulbs Ltd.
The reconstituted board of directors was as follows: Mr A. Deutsch, chairman, Mr. J. G. Christopher, Mr J. Clement, Mr S. R. Eade, Mr S. Hale.