For Sale: Radio crystals (detectors)

Radio Crystals For Sale

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N.B. All prices exclude shipping charges. Please quote postal destination when enquiring about postal charges.

Galena	Unmounted zincite/chalopyrite	Mounted zincite/chalcopyrite

I can also supply Woods metal suitable for mounting radio crystals. Woods metal melts at around 70 degrees Centigrade and is a very effective means of mounting radio crystals without causing heat damage. P.O.A.