Chamberlain and Hookham
of Solar Works, Birmingham.
1883 registered to take over the existing firm of meter makers and electrical engineers; Arthur Chamberlain and George Hookham as directors[1].
1898 The company was registered on 15 December, to acquire the business of manufacturers of electricity meters, dynamos etc of a company of the same name. [2]
1918 GEC acquired the ordinary shares in the company[3].
1927 Recorded as being a subsidiary of GEC
1968 The combination of SEI and Chamberlain and Hookham with AEI operations at Motherwell, Harlow and Manchester was expected to make a strong base for competing in meters, instruments and components[4]