Handwritten on a paper label attached to the handle.
Serial number
107
Stamped in white at the top
Dimensions
overall: 2 in x 6 1/8 in x 10 1/2 in
Description
The object is a module with two vacuum tube sockets that are both populated. Four phenolic boards are attached to 2 male connectors on the bottom. Printed on the top of unit is "CONTROL PULSE OUTPUT". There are labels for all the jacks and labels identifying tubes.