U.S. TRACTION DEVICE 3LB(1.36KG) 
6530-00-403-3116 
JOHN EVANS SONS, INC.
CONTRACT NO. DLA120-89-C-8148

THIS IS FROM THE LAB OF AN AVIONICS ENGINEER WHICH HAD A VARIETY OF RADIOS AND ANTENNAS. FORMER MILITARY.

PLEASE SEE PHOTOS FOR DETAILS OF ITEM. FROM AN ESTATE.