A double-ended tube with a brass mogul base with glass insulator on the bottom and a contact post on top. Side-tipped G-shaped envelope. 5 amp rating. Donor’s card reads: “Tungar rectifier bulb made ...
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 ...
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