Vintage National Radio Co. NC-173 Communication Radio Receiver Parts/Repair. This unit was powered on a variac. Seems to be working fine, but its untested otherwise. It has some wear. Some of the electronic part/s may continue for another 50 years without need of replacement and some electronic part/s may fail a few days after you start using the item. Please visit our store as we get vintage electronics of tube, test, solid state, hifi, audio, etc Many great and rare items as well.