(1) NOS Sylvania JAN-7308 Tube Mil Spec 6922 O Getter 1967 Tests NOS TV-7U
(1) NOS Sylvania JAN-7308 Vacuum Tube | Military Spec 6922 | O Getter | 1967. Tube 1 tests at 102/104 with 50 being the minimum score for a good tube (with 65% life remaining).
(2) Sylvania JAN-7308 Tube Mil Spec 6922 O Getters Tests Strong TV-7B/U
(2) Sylvania JAN-7308 Vacuum Tubes | Military Spec 6922s | O Getters. Tube 1 tests at 88/92 & tube 2 at 86/84 with 50 being the minimum score for a good tube (with 65% life remaining).
