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Old 16th Jul 2018, 10:01 am   #7
FrankB
Heptode
 
Join Date: Oct 2005
Location: Olympia, Washington, USA.
Posts: 664
Default Re: Identfication required: Vintage Octal Adapter

It looks identical to some of the oddball sockets I got with a used Digital readout Chinese Tube Tester. The set of adaptor sockets came in a beautiful wood case.
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