Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,192 pages of information and 233,429 images on early companies, their products and the people who designed and built them.
of Warwick Road, Greet, Birmingham
1907 Company formed in Bermondsey by Peter Oscar Serck
1909 Company moved to Coventry
1914 Acquired the rights to the Zimmerman Radiator (a round tube honeycomb design), which was the basis for the later success of the company
1914 Company moved to Birmingham
1914 Manufacturers of radiators for motor cars. 
1917 The demand for radiators for aircraft became acute, and the existing industry was strangled by union resistance to dilution and mass production.
1918 On 1 January, the Motor Radiator Manufacturing Co. in Greet in Birmingham was taken over by the Ministry of Munitions. Following this the branch factory at Sudbury was also taken over and run as a subsidiary of the Greet plant.
1918 Became a government National Aeroplane Radiator Factory
1919 After the Armistice, the factory at Greet was offered back to Serck and he formed Serck Radiators, as a public company with £200,000 capital of which he personally held more than half the shares, and was the Managing Director; more than 30 car and aeroplane makers were listed as customers in the prospectus.