News got about last week that Thomas Alva Edison had invented a phonograph record that will play 40 minutes. In West Orange, N. J., Mr. Edison verified the report. The record, which has 450 music grooves to the inch, will be placed on the market in a month. And how, asked a reporter, would this effect the interest in radio? Mr. Edison (he is 79 now) twisted his soft grey face into a smile:
"There isn't ten percent of the interest in radio that there was last year," he said. "It's a highly complicated machine...
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