Product code: Old military vacuum tube and enclosure deals
This appears to be a Jan 931 a vacuum tube and an enclosure with a whole bunch of resistors wired up to the tube socket. The larger enclosure deals is watertight and Military painted metal. V-101.
This appears to be a Jan 931 a vacuum tube and an enclosure with a whole bunch of resistors wired up to the tube socket. The larger enclosure deals is watertight and Military painted metal. V-101.