single western electric 274A tube

date code 7-13

black plate - large [] getter with a bar through the middle of the getter

tested on my hickok 539c mutual conductance tube tester
results also verified on my triplett 3444A

no gas or shorts

the minimum for this type is 56

tested @
99/102  21.7/22.1madc (hickok)
115/115% on the triplett

tests excellent at new tube levels for this type

i assume it is probably used but it is a very nice clean tube that tests great