The NBC Chimes: How three notes made history
Twenty Thousand Hertz
00:00
The History of the B C Chimes
M b c hired electronic organ pioneer, captain richard wrenger to build more of an automated system for playing the chimes. Eventually, because it still wasn't being done uniformly, thay went to an electronic device. When you pushed the chimes button, it would take that studio off the air. Under the sound of the chimes, you didn't hear the click.
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