[Milsurplus] DF control box - info needed.

[Kenneth G. Gordon]

Can anyone tell what the control box shown in the following JPGs 
belongs to?

http://www.mines.uidaho.edu/~kgordon/images/RxCtrl-1.JPG
http://www.mines.uidaho.edu/~kgordon/images/RxCtrl-2.JPG
http://www.mines.uidaho.edu/~kgordon/images/RxCtrl-4.JPG
http://www.mines.uidaho.edu/~kgordon/images/RxCtrl-5.JPG
http://www.mines.uidaho.edu/~kgordon/images/RxCtrl-6.JPG

Ken Gordon W7EKB