Even if you aren’t a tube aficionado, you can’t help but be mesmerized by the blue glow inside a mercury vapor rectifier when it operates. It looks less like early 20th century tech and more like ...
Even if you aren’t a tube aficionado, you can’t help but be mesmerized by the blue glow inside a mercury vapor rectifier when it operates. It looks less like early 20th century tech and more like ...
In the Feb. 1 issue we began a discussion of the evolution of transmitter power supplies. One of the more infamous radio transmitter motor-generator installations was in Las Cruces, N.M., at KOB, when ...