Handwritten vertically in silver ink on the glass envelope.
Other number
XAD4848
Stamped in green ink near the bottom of the glass envelope.
Dimensions
overall: 3 in x 1/4 in x 1 1/4 in
Description
This is a Sylvania developmental power pentode in a glass envelope with an eight-pin loctal base. This is a spare tube for Bus Driver Flip-Flop Storage Rack S/N 6.
