Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,711 pages of information and 247,105 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.
of Roden Street, Works, Ilford, Essex
1927 Company founded as John Ismay and Sons
1938 The members of the Electric Lamp Manufacturers Association jointly bought the lamp businesses of Ismay Industries Ltd.
1939 Private company formed as John Ismay and Sons.
1949 Name changed.
1961 Manufacturers of electric lamps. [1]
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