6SN7GT Brimar valves
Orange Brimar logo and print
Acid etched 6SN7GT
Made in England
Grey ladder anodes
Oblong bar getters
Test results:
V1 - a1 - 6.7ma 2.1gm/  a2 - 8.7ma 2.4gm
V2 - a1 - 7.2ma 2.3.gm/  a2 - 9.6ma 2.9gm
Used