5440 Burroughs Nixie tube used (16 pins) (0 in stock)
5441 National Nixie tube used 1977 (16 pins) (0 in stock)
5441A Burroughs Nixie tube used 1969 (16 pins) (sold out)
5448 Burroughs Nixie readout tube used (16 pins) (1 in stock)
NL-843 National Nixie tube used 1968 (13 pins) (1 in stock)
