[Milsurplus] Identify this aircraft freq meter?

[Mike Hanz]

On 5/13/2015 9:53 AM, David Stinson wrote:

> The BC-RC-183 is really not a "freq meter" per se.
> It is what amounts to an external BFO for the BC-229
> so that receiver could be used in a Liaison role.
> There's a photo of the lash-up in a pre-war bomber
> somewhere online.  Will see if I can find it.

I have a photo of it in a B-15 bomber at 
http://aafradio.org/flightdeck/1935/B-15-2.JPG
I have never figured out how a radio operator was supposed to lean over 
that conglomeration in rough weather and turn that tiny little knob to 
rotate the loop antenna "periscope" coming down from the overhead...:-(

73,
Mike  KC4TOS