Welwyn Electric
of Welwyn Garden City, Hertfordshire.
of Bedlington Station, Northumberland (1953)
1937 Private company formed as Welwyn Electrical Laboratories Ltd by Edward Bernard Bull (1896-1953)[1].
Maker of wire-wound resistors
WWII: Asked by government to increase production of vitreous enamelled resistors and to produce carbon resistors, most of which had previously been imported. Became associated with Worcester Royal Porcelain Co, making use of part of Worcester's factory[2]
1946 40 percent of the share capital was acquired by Worcester Royal Porcelain
1953 Became a wholly-owned subsidiary of Worcester. Occupied factories at Bedlington Station and Stockton-on-Tees; porcelain production was established at Worcester's factory Tonyrefail.
1959 Launched metal oxide film resistor under the name Metox[3]
1960 Name changed to Welwyn Electric
1961 Electrical and electronic components manufacturers. 1,800 employees.
1963 26 percent of the shares in the company were sold to AEI who made available access to its research laboratories[4]
1968 Royal Worcester re-acquired the 26 percent of shares that it did not own[5]
1968 Welwyn Electric offered hybrid integrated circuits; it had 5 years experience in bulk production methods[6]
1970 Electronics accounted for most of Royal Worcester's profits; the focus was being switched form resistors to micro-electronics[7]
Presumably became Welwyn Electronics