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crystal set in Portuguese

crystal set in Portuguese is rádio de galena.

crystal set in Portuguese

rádio de galena
noun
(electronics) An early radio receiver, having no electrical power supply except the radio waves themselves; it used a crystal of lead or cadmium sulphide and a wire (the cat's whisker) touching the crystal's surface.
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What is "crystal set" in Portuguese?

"crystal set" in Portuguese is rádio de galena.

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Translations from WikDict, CC BY-SA · example sentences from Tatoeba, CC BY 2.0 FR.