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 136,388 pages of information and 219,138 images on early companies, their products and the people who designed and built them.


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1936 John Clifford Garrett founded a company in Los Angeles

1939 Garrett incorporated the Garrett Corporation with 3 divisions:

  • Airsupply Division
  • Garrett Supply Division
  • AiResearch Manufacturing Division

1939 Garrett established a small research laboratory to conduct "air research" on the development of pressurized flight for passenger aircraft - this became AiResearch's first 'lab'.

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