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Many producers of such new units brought their unique Suggestions to the marketplace. White's Electronics of Oregon started during the 1950s by creating a machine called the Oremaster Geiger Counter. A different leader in detector technological know-how was Charles Garrett, who pioneered the BFO (beat frequency oscillator) device. Along with https://metaldetector-negozio77654.tinyblogging.com/getting-my-metaldetector-to-work-66870009


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