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Interesting article:
A History of the Quartz Crystal Industry in the USA | IEEE UFFC
A History of the Quartz Crystal Industry in the USA | IEEE UFFC
Starting with the discovery of the piezoelectric effect by the Curies, and then the first constructions of quartz oscillators by Nicholson, Cady and Pierce.
In 1926 the A. T. & T. radio station WEAF in New York City became the first radio station in the United States to control its…
