Summary
Crystal detector. A "Perikon" unit. In order to form a rectifying junction, two minerals, zincite and bornite, are brought into contact in a tube. Made by Grasse & Daniell, Sydney, Australia. Used in radios.
Physical Description
Brass mechanism with glass tube with black insulating caps between two metal plungers containing two mineral pellets Item is mounted on an insulating plate, which, in turn, is mounted on a display block with label.
More Information
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Collecting Areas
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Acquisition Information
Purchase
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Manufacturer
Grasse & Daniell, Sydney, New South Wales, Australia, circa 1924
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Inscriptions
Display block: CRYSTAL DETECTOR / using the two minerals bornite / & zincite in contact, & known / as the "pericon" detector. Note: 'Perikon' is misspelt on label.
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
92 mm (Length), 43 mm (Width), 44 mm (Height)
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Keywords
