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 148,100 pages of information and 233,633 images on early companies, their products and the people who designed and built them.

Sir George Godfrey and Partners

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July 1938.
October 1945. "Marshall" Roots Blower
July 1949. (Flight 1949/07/28)
January 1957.
May 1957.

Sir George Godfrey and Partners of Edgware Road, London (1937)

of Hanworth, Middlesex (1945)

1937 Maker of actuators for aircraft (see advert)

c.1939 Proposed to the Air Ministry that they should investigate means of pressurising aircraft cabins, using their established Marshall supercharger. The company were the only British company investigating pressurisation pre-war[1]

1943 and 1945 Patents concerning use of Roots blowers with engines

WWII Godfreys supplied the Marshall-Godfrey superchargers for use in high-altitude aircraft, as cabin blowers and for snorkel blowing on submarines.[2]

1950 Private company.

1961 Manufacturers of aircraft air conditioning and pressurising equipment, pneumatic control equipment, special ground equipment for cooling aircraft and guided missiles. Pressure testing equipment. [3]

1968 Acquired by James Howden and Co

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