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 ...

They’ve been a mainstay of Sci-Fi props for years but you’ll be hard pressed to find someone on the street that can tell you what they actually do. They’re Mercury Arc Rectifiers and our friends at ...

A metal 4-pin base with ceramic insulator, top contact, BT-shaped envelope. Stamped: “[W logo] / Westinghouse / Made in U.S.A. / WL-833-A [W logo]”. Donor’s card reads: “Half wave mercury vapor ...

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 ...

Converting ac to dc has been accomplished by several different types of rectifiers through the years. Here are a few of the more common types of rectifiers used in the past 100 years. Mercury arc ...

A 4-pin plastic base with top contact, ceramic insulator, S-shaped envelope. Donor’s card reads: “Half-wave mercury rectifier made by the Western Electric Company about 1935. Filament: 2.5 volts at ...

IN the Brown Boveri Review for October a very impressive list is given of the mercury arc rectifiers for power transmission which the firm has shipped to overseas countries. We are glad therefore to ...