Military Hickok TV-7/U, tube tester, good condition, works. Checked with 5U4, 6AU6, 6L6GT, 6SN7, 12AX7 and 45. It is shown testing a known good 5881, reading 32 where 25 is minimum. Includes bound copy of operating manual and extensive large data supplement. Tests many tubes including Western Electric 274A and 300B. It has not been calibrated. Sold As Is.If you have no experience with electronic test equipment, or this particular model of tube tester, please do your research before offerding. Item is as described, but shipping can be rough; all items are insured for full value and well packed. If item does not arrive as described, full refund per policy will be made promptly upon receipt of returned item. Thanks!