Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,735 pages of information and 247,134 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.

ASDIC: Difference between revisions

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An acoustic system for detecting submarines; the letters ASD stand for "Anti-Submarine Division", the part of the Admiralty responsible for the work.
An active acoustic system for detecting submarines; the letters ASDIC stand for "Allied Submarine Detection Investigating Committee", the part of the [[Admiralty]] responsible for the work.


WWI [[Philip Vassar Hunter]] collaborated with [[William Wordsworth Fisher|Admiral W. W. Fisher]] and [[William Henry Bragg|William Bragg]] formed a three-man committee to guide the work done
WWI [[Philip Vassar Hunter]] collaborated with [[William Wordsworth Fisher|Admiral W. W. Fisher]] and [[William Henry Bragg|William Bragg]] formed a three-man committee to guide the work done

Revision as of 16:48, 6 June 2021

An active acoustic system for detecting submarines; the letters ASDIC stand for "Allied Submarine Detection Investigating Committee", the part of the Admiralty responsible for the work.

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.

The American name SONAR was later more widely used for this technique

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