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Voices in the Wire

99% Invisible

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The Story of Frank Conrad's Garage

Frank Conrad was an engineer for Westinghouse, so he had access to vacuum tubes which allowed him to transmit his voice over the air. He found very quickly that there was an unseen audience out there. Along with phonograph records Conrad would transmit piano solos by family members and baseball scores. The real turning point came on September 29th 1920 when the Joseph Horn department store placed this ad in the Pittsburgh sun.

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