Vacuum tube type 5881
Tung Sol Lamp Works
||Printed in silver ink on top of the glass envelope.
||Printed in white ink around the phenolic base.
overall: 3 3/8 in x 1 3/8 in x 1 3/8 in
Type 5881 is beam power vacuum tube in a glass envelope with an octal base. Pin 6 is missing by design. This is a spare tube for Top panel-Bus driver arithmetic rack, S/N 4.