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 Letchworth
Presumably connected with Frank Trounson Hearle?
WWII Manufactured parts for the De Havilland Mosquito [1]
1952 Supplied stem-filter draw-in valves for the Comet aircraft[2]
1955 The company had been voluntarily liquidated; a meeting of the Members of the company were held at the offices of The de Havilland Aircraft Company Limited, at Hatfield<ref>London Gazette 28 October 1955M.ref<
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MW1.43