View Single Post
Old 6th Mar 2012, 1:01 pm   #79
GMB
Dekatron
 
GMB's Avatar
 
Join Date: Aug 2003
Location: near Reading (and sometimes Torquay)
Posts: 3,086
Default Re: Mullard Valve Tester Card Project

Thanks for 227 Humphrey.

Well the surprise is that it is really quite a bit different to card 680.
Presumbly an older attempt at it (?).

Update: I just realised I have one of these cards in my own set.
The mystery has been what it is for.
GMB is offline   Reply With Quote