Precision brand tube testers.
This is a restored Precision 912P Tube Tester. Included is a CD with a copy of the manual and tube
Very nice newer model Precision 10-12 Tube Tester.
Precision 10-xx Solid State tube Tester?
This is a really nice restored Precision 954 tube tester.
Restored Precision 912 Tube Tester. The case is actually in pretty good shape, with no damage and only minor