Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,710 pages of information and 247,104 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 Blue Spot House, 94 to 96, Rosoman Street, Rosebery Avenue, London, EC1.
1930 Founded as a subsidiary of F. A. Hughes and Co to manufacture and market loudspeakers designed by Ideal Werke AG of Germany.
1934 Acquired by John Ismay and Sons.
1938 Company ceased trading.
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