[ARC5] ARC5 Digest, Vol 132, Issue 12

[AKLDGUY .]

Hi Andy

Thank you for that. Looking at the specifications, it's obvious the tubes
are electrically dissimilar to the VT-25s we're interested in. I think that
settles the matter.

73 de Neil ZL1ANM


On Wed, Jan 7, 2015 at 10:10 AM, Andy Young <andy-young at supanet.com> wrote:

> The VT25 shown is a prewar British Air Ministry type, see
> http://www.r-type.org/exhib/aaj0063.htm
>
> VT stands for 'Valve, Transmitting', there was also a whole sequence
> starting VR for 'Valve, Receiving'.
>
> 10E/7312 is the Air Ministry Stores Reference number
>
> The base is not an adaptor, it is an L4 base.
>
> Andy
>
>