Found this interesting article from 1968 about the Ever Ready complex due to be completed four years later by 1972. The Tanfield Lea, Co Durham site would have then been the largest battery manufacturer in the world.
Now like all things related to Radio & TV, just a distant memory (as seen from drone perspective in 2015)
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Indeed there seems there was a lot up here, Mullard opened a new CRT factory to meet the demand at Durham (Belmont) that was built in 1971. An amazing fact, in 2002 they made about 3.4 million Colour CRT's. That's a pretty staggering figure for one years production. They like Ever Ready, also employed 1500+ people and over its 34 year life manufactured over 65 million CRT's until its demise around 2005.
I also believe Mullard in Washington near Sunderland, used to make Deflection Yokes, and they made about 16 million.
There was also Allen-Bradley Electronics, a resistor factory at Jarrow.
Not forgetting Rediffusion just a few miles S.W. of Bishop Auckland known as St Helen Auckland. A good read can be found in our blog here.
Small scale, there was Teletronic re-gunners at Seaham (my Ferguson 3703 has one of their tubes). It would appear Teletronic house still exists at Strangford Road, Seaham but its now a Blacksmiths. There was also Dunelm Tubes at Billy Row.
There's probably many more but that's all I'm aware of.
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I never visited the Philips Deflection yoke factory but the company I worked for had computer equipment there and the NE engineers had visits to fix those computers. From discussions with them it was always on a knife edge, they had to produce the coils a few pence cheaper than the far east factories could.
How true? I only have their information and no reason to doubt their word.
Frank
Thorn had three factories in Sunderland here in the North East, "A" factory for valves, "B" and "D" factories for monochrome CRT's and later colour re-gunning after monochrome production ended. Perdio produced radios in the town until the early 60's and Plessey, previously Ericsson until the mid 70's with telephone equipment.
John.
