Quote:
Originally Posted by Don Lindsly
It appears to be a socket adaptor to enable using a 110 degree test CRT on an older style 50-70-90 TV for bench service.
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The plug and socket are the same, and the catalog shows it in a different section than the adapters and extenders. It's definitely a tester (bar generator) of some sort, not an adapter. I came into TV servicing in the late 70s, so the old tube black and white (big neck) sets weren't among items we serviced.