Vacuum tube type 6SN7WGT
This is a medium-mu twin triode in a glass envelope with an eight-pin octal base. This is a spare tube for Bus Driver Flip-Flop Storage Rack S/N 6.
||Printed in silver on top of the glass envelope.
||Written in green ink near the bottom of the glass envelope.
||Written vertically in green ink on the glass envelope.
overall: 2 7/8 in x 1 1/4 in x 1 1/4 in
Gift of the Digital Equipment Corporation