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Old 23rd Nov 2019, 8:47 pm   #4
G6Tanuki
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Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 13,953
Default Re: BRIMAR : Reception tested label

Yes, in the 1950s Brimar "trustworthy" valves had a yellow-triangle-with-a-T logo. I've got some of these [from Vulcan-Bomber STC R4187 receivers and such].

See http://www.r-type.org/adverts/adv-0853.htm
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