Vacuum tube type 5881
This record contains two tubes. 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 Bus driver arithmetic rack, S/N 10.
Tung-Sol Lamp Works
||Printed in silver ink on top of the glass envelope.
||Printed in white ink around the phenolic base.
||Printed vertically in white ink on the glass envelope of one of the tubes.
overall: 3 3/8 in x 1 3/8 in x 1 3/8 in
Gift of the Digital Equipment Corporation