Tube sockets

[Deane D McIntyre]

Martin Tippin wrote:
>
> I have two Johnson #247-7 pin ceramic tube scokets, can some one tell for what tubes tehese are for? Thanks
> Martin L Tippin WØAKG
> 140 Monarch Lane
> Branson, Mo 65616
>

According to the Johnson ad in the 1953 ARRL handbook this base is
"7 pin Steatite for tubes such as 826. Etched Aluminum Shield"

73, Deane McIntyre VE6BPO

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