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Mineral - Radio Detector, Galena, 1910-1930 Object Reg. No: ST 028663

Summary:
Three pieces of shiny grey crystalline material, Galena or Lead Sulphide, used in radios. Properties of this crystal were discovered by Braun in 1874. Possibly artificial in origin.

Galena was the most popular material to be used in cat's whisker detectors.
Description:
Three pieces of shiny grey crystalline material and a display board on which the pieces had been previously mounted. Missing is one piece embedded in Wood's Metal.
Acquisition Information:
Purchase & Subsequent Transfer from Science Museum of Victoria (SMV), 1973
Discipline: Technology
Dimensions: 15 mm (Width), 24 mm (Length)

More information

Tagged with: radios, radio detector crystals, galena, lead minerals
Themes this item is part of: Information & Communication Collection
Primary Classification: COMMUNICATIONS
Secondary Classification: Radio
Tertiary Classification: receivers
Inscriptions: Display Board:
Label One: GALENA/(LEAD SULPHIDE)
Label Two: GALENA/MOUNTED IN WOOD'S METAL/TO ENSURE MORE PERFECT/ELECTRICAL CONTACT
Date Used: 1910-1930
References: Galena - http://en.wikipedia.org/wiki/Galena

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