What happens when the radio craze gets mixed up with a production line mistake? You get the UX-199, a popular general purpose vacuum tubes in the 1920s.
What happens when the radio craze gets mixed up with a production line mistake? You get the UX-199, a popular general purpose vacuum tubes in the 1920s.
“Can you hear me now?” The audion, an early vacuum tube, made the radio transmission of the human voice feasible. Continue Reading
Look into my (magic) eye… Continue Reading