Depends which one. Until the 1980's in the #UK & many other places, B&W steam-powered wireless & television-type equipment could not operate without a #Mullard!!
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#mullard
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Posts tagged #mullard
Ah, those were the days: Albert Pumphrey, a valve engineer from Mullard Blackburn Works examining Hilda Brooks' efforts at delicately constructing an electrode cage in May 1952. mullard.org/blogs/news/vv #Mullard #electrontube #thermionic mullard.org/blogs/news/vv
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Incredible website containing hundreds of scans of old electronics magazines and company periodicals #mullard #electronvalves #vacuumtubes www.worldradiohistory.com/Archive-Comp...
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Brimar-Rank factory
A rare photograph of the old 'Crittall' windows building where 'Brimar' later made valves. #vacuumtube #Brimar #ECC83 #Mullard
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Brimar 12AX7 tube
New Old Stock Brimar CV492 valves (still in their original boxes) ready for packing and shipping out to a lucky customer. We ship to most regions on Planet Earth. #brimarvalves #Brimar #Mullard
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Fascinating article by the boffins at Mullard Magic on vacuum tube manufacture - specially lead-through wires & pin joining to create a perfect seal. mullard.org/blogs/news/l... #vacuumtube #thermionicvalve #Mullard
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AVO Valve Tester
And here's a photograph of the AVO's internals after restoration—she's a clean machine now, and works like a dream. Next service is scheduled for the year 2525, if man is still alive… #tubetester #vacuumtube #Brimar #Mullard
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