11-10-2016, 02:48 PM
Hi.
I'm pretty sure it's the earliest incarnation. most likely a genuine 1937 version. Mine from 1939 has the thumbnail and has some adaptors for B7G & B9A bases.
It is a great tester but of course a little limited, it's 100% original.
I'm pretty sure it's the earliest incarnation. most likely a genuine 1937 version. Mine from 1939 has the thumbnail and has some adaptors for B7G & B9A bases.
It is a great tester but of course a little limited, it's 100% original.






