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Show Finds New Substance to Replace Galena Crystal Parisian radio fans are hopeful that a new substance to replace the galena crystal will prove to be the dreumed-of dreumed-of super-crystal, and not Just another substitute. The substance was discovered discov-ered by Felix Thuaud, a prominent 17Vnfh ctoAl mnn 11 f it ftil ppr Wlitlo studying the by-products of steel, Thuaud noticed a material that was somewhat like the crystal used In radio ra-dio sets. He chipped off a few pieces and had radio fang try them. Their report was that concerts were heard over longer distances and with greater clearness than with galena points. Thuaud also found that It was not necessary to hunt for special points of contact, as the new material was adequately ade-quately sensitive at any point. The basis of the material is a combination com-bination of silicon and Iron, with the former dominant The product can be made In an electrical furnace or in an ordinary crucible. It can be Bold at about one-fourth the price of substances sub-stances now used. |