Barretter may refer to:
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Hot wire barretter, an early form of radio demodulator
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Iron-hydrogen resistor or barretter, a hydrogen-filled glass bulb in which an iron wire is located
* Liquid barretter, an alternative term for
electrolytic detector
An electrolytic detector, or liquid barretter, is a type of detector (demodulator) used in early radio receivers. It was first used by Canadian radio researcher Reginald Fessenden in 1903, and used until about 1913, after which it was superseded ...
See also
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Baretta (disambiguation)
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Bereta (disambiguation)
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Beretta
Fabbrica d'Armi Pietro Beretta (; "Pietro Beretta Weapons Factory") is a privately held Italian firearms manufacturing company operating in several countries. Its firearms are used worldwide for various civilian, law enforcement, and military p ...
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Biretta
The biretta () is a square cap with three or four peaks or horns, sometimes surmounted by a tuft. Traditionally the three-peaked biretta is worn by Christian clergy, especially Catholic Church hierarchy, Roman Catholic clergy, as well as some ...
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