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  The Mutual Broadcasting System begins its company
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  The first 3 strip technicolor movie was made.
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  AEG/Telefunken exhibits the first magnetic tape recorder in Germany.
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  Publishes first top charts for most selling records
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  His west coast chain of radio stations join the mutual network to get a coast to coast reach.
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  The NBC Symphony Orchestra's broadcast begins for a 17 year run under his direction.
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  CBS radio network debut this "bit" with news anchor Robert Trout.
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  the first jingle ever to be written was the "Pespi-Cola hits the spot".
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  Electronic television demonstrated at the Chicago Worlds Fair by RCA / NBC
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  begins broadcasting in New York
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  525 interlaced horizontal scan lines for all U.S. commercial television broadcasts and just under 30 frames per second consisting of two interlaced fields.