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 146,096 pages of information and 231,598 images on early companies, their products and the people who designed and built them.
ASDIC
From Graces Guide
WWI Philip Vassar Hunter collaborated with Admiral W. W. Fisher and William Bragg formed a three-man committee to guide the work done by the Admiralty on the development of methods of detecting, locating and destroying submarines. The best known and by far the most fruitful product of this association was ASDIC.
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