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National Radiator factories were established by the Ministry of Munitions to produce radiators for aircraft
* Greet, Birmingham
Originally a factory belonging to the Motor Radiator Manufacturing Co Ltd. Effective: January 1918
* Sudbury, Suffolk
Originally a factory belonging to the Motor Radiator Manufacturing Co Ltd. Effective: January 1918.
The Sudbury works was used in particular for the repair of radiators for SE5 scout aircraft. The factory had a capacity for 130-150 employees but was never fully staffed, having typically around 50.
Post-WWI The Motor Radiator Manufacturing Co. had become Serck Radiator Co.
1935 The Company later moved to Meadow Lane, Sudbury.