S. P. E.
of Slough
1933 Private company formed as South Priming Pumps & Engineering Co. Ltd.
1957 Acquired by Pulsometer Engineering Co[1]
1958 Name changed.
1961 Precision engineers, manufacturing fuel pumps and fuel system equipment for aircraft and vehicles. Also wedged key split bushes. 520 employees.
Subsidiary of Pulsometer Engineering Co when it was acquired by Booker McConnell and Weir[2]
1962 Booker Group sold the company to Plessey Co[3]