Monday, March 07, 2016

Mystery Object


We found this extender card while rummaging around at the TWR Bonaire studios.

I'm wondering if anyone can tell me what device it might be used with?


Ernie Franke said...

HeathKit Frequency Counter Model 85-1156 Extender Board,
Ernie Franke

Brad said...

Thanks Ernie.

Unknown said...

It looks very similar to the extender board for the Heathkit SB 313.