4B31 Cetron NOS (4 in stock)
4B32 Amperex NOS original boxes sold as-is
5557=FG-17 Mercury Triode Thyratron
5632=C3J RCA NOS
5685=C6J=C6JA Cetron used (1 in stock)
5685=C6JA Cetron NOS original box (1 in stock)
5696 US Brands NOS Thyratron (25 in stock)
6012 RCA low hours/test like new 1958 in original boxes (4 in stock)
6012 RCA NOS 1958 (1 in stock)
6012 RCA NOS 1961 (1 in stock)
6012 Sylvania NOS
6014=C1K Cetron USA used/good (5 in stock)
6807 GE used Thyratron
6807 Thyratron
6D4 Sylvania NOS 1974 (6 in stock)
7021=714 National NOS in white box
722A Western Electric NOS 1930's
884 NOS (8 in stock)
885 RCA used/good 1947
