Found in my Twitter feed … Apparently the picture is from a 1987 Digikey catalog.
https://twitter.com/TubeTimeUS/status/1160319152390696960?s=19
Found in my Twitter feed … Apparently the picture is from a 1987 Digikey catalog.
https://twitter.com/TubeTimeUS/status/1160319152390696960?s=19