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 ...

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 ...

It's deep red and blue glow makes it look almost futuristic yet its been part of the inner workings of the Durie Hill elevator since 1950. The elevator's mercury arc rectifier is one of the few in the ...

A mock-up of a weapon from Bioshock 3? A radioactive steampunk fish tank? The glowing engine of a recovered Area 51 spaceship? The answer may shock you. Actually, it almost certainly will. What we ...

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 plastic 4-pin base with tipless domed envelope. Stamped on envelope: "83". Donor’s card reads: “Full-wave mercury vapor rectifier made by the Radio Corporation of America about 1935 or before.

DURING recent years there has been an increasing demand for machines and devices which will convert alternating currents into direct currents. Bulk supplies are usually given by alternating currents, ...

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