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Before we went wireless
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"The first biography of the brilliant inventor and practical experimenter in late 19th century telegraphy, telephony, metal detection, and audiology, British-born David Edward Hughes"--Provided by publisher.
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"The first biography of the brilliant inventor and practical experimenter in late 19th century telegraphy, telephony, metal detection, and audiology, British-born David Edward Hughes"--Provided by publisher.
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""The first biography of the brilliant inventor and practical experimenter in late 19th century telegraphy, telephony, metal detection, and audiology, British-born David Edward Hughes"--Provided by publisher."
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