Vacuum tube type 6145
||Printed in silver ink on top of the glass envelope.
||Vertically handwritten in green ink on the glass envelope.
overall: 2 7/8 in x 1 1/8 in x 1 1/8 in
This is a power pentode vacuum tube with a loctal base. This is a spare tube for a top panel-bus driver arithmetic rack, S/N 4.
Gift of the Digital Equipment Corporation