Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,103 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
1921 The Aircraft Torpedo Development Unit was established by the Air Ministry at Gosport.
Its purpose was to undertake the development of aerial torpedoes and mines and the means of carrying them and of delivering them from aircraft.
1942 Control passed to the Ministry of Aircraft Production
1946 The unit passed to the Ministry of Supply
1959 Passed to the Ministry of Aviation