Vintage Old Eico 337 Crt Tube Ham Radio Oscilloscope Tester Test Equipment

This is a very cool, vintage old EICO 337 CRT tube ham radio oscilloscope tester test equipment DIY. The tube is in excellent condition with minimal signs of wear. The black socket head is slightly loose, I can ever so slightly turn it each way, I have not forced it by any means. The tube is untested as I have no way of testing it. Not really sure what this tube would have been used for, possibly an oscilloscope or cathode ray tube, I’m not sure. I offer free returns should it not be working.

Returns Accepted for this item if it's within 30 Days