Maybe you or other forum members can help with this one Mike.
I'm not even sure if it had any military applications.
An AWA fanatic in Aus didn't recognise it but places its manufacture pre WW2.
I can't even rehome it.....too heavy to send across the ditch.
Although I did get the RNZAF to take a Rebecca Radar unit to England for the Imperial War Museums Duxford radio collection. What a mission!
I think I have too many test units
