[Milsurplus] Odd tubes - found

[AKLDGUY .]

Do they look like this?

https://www.flickr.com/photos/60939566@N02/16212677985/in/datetaken/

73 de Neil ZL1ANM

On 8/8/15, Dennis DuVall <duvallddennis at gmail.com> wrote:
> $500 a pair, wow!
>
> Dole yours out slowly, don’t depress the market….  :^)
>
> Dennis D.  W7QHO
> Glendale, CA
>
> *************
>
>> On Aug 7, 2015, at 10:38 PM, Kenneth G. Gordon <kgordon2006 at frontier.com>
>> wrote:
>>
>> OK. It turns out that these "odd tubes", labeled 10E 7.5 - 36 VT-25/7312
>> with
>> the weird bases, are special #10s, made especially for the RAF during WWII
>>
>> by Marconi-Osram-V(something).
>>
>> The large 4-pin base is a special low-loss British RAF base.
>>
>> The 7.5 indicates their filament voltage, and the 36 indicates their
>> wattage
>> capability.
>>
>> They are good to 15 MHz.
>>
>> Someone in Europe is offering a pair of them for sale for $500 Euros.
>>
>> Thanks for the help, Folks
>>
>> vy 73,
>>
>> Kenneth G. Gordon W7EKB
>>
>> "Courage is being scared to death but saddling up anyway."--- John   Wayne
>>
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