Here's a WRCV-TV, Channel 3 (Philadelphia) sign on. The voice is that of Bob Bradley and dates from about 1957. While this was a television broadcast, we have only the audio. However, just the sound is still a real find.
From the official archives of the Broadcast Pioneers of Philadelphia
Audio clip courtesy of Atlanta based voice over announcer Jerry Immel
Photo originally donated by Broadcast Pioneers member Bill Webber
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