[Boatanchors] Tube tester "adapter" question.

[Philip Atchley]

Hi,
I have a B & K model 500 Mutual Conductance tube tester here.  Unfortunately
it's one of those "TV" servicing type with a gazillion sockets dedicated to
specific tubes.  I'm anticipating the arrival of a WW II BC-342 receiver
with tubes that the checker is NOT set up for (grid caps etc).

I'm thinking of making a series of adapters for the ones I'm most LIKELY to
need to test for quality etc.  But not sure what newer tubes they might
correspond to.  I'd "kind" of anticipated using the sockets that are set up
for a 6SK7 & 6SA7 for the Pentodes, Pentagrid etc.  Has anyone done this and
does anyone know what is the "closest" newer match for the following tubes
(basing pinout doesn't matter as I'll wire them anyway.

6C5 Triode
6K7
6L7G
6R7
6F6 (I presume 6V6 closest)

73 from the "Beaconeers Lair".
Phil, KO6BB

DX begins at the noise floor!
Merced, Central California
37.18N  120.29W  CM97sh