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Mineral - Radio Detector, Galena, 1910-1930 Reg. No: ST 028663
- 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.
- 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
|Dimensions:||15 mm (Width), 24 mm (Length)|
|Dimension Comment:||Approximate dimensions of largest piece.|
|Tagged with:||radios, radio detector crystals, galena, lead minerals|
|Themes this item is part of:||Information & Communication Collection|
Label One: GALENA/(LEAD SULPHIDE)
Label Two: GALENA/MOUNTED IN WOOD'S METAL/TO ENSURE MORE PERFECT/ELECTRICAL CONTACT
|References:||Galena - http://en.wikipedia.org/wiki/Galena|