Meet the Inventor
My motivation for creating this web site was to pay tribute to the inventor of the Select-o-matic mechanism, Edward F. Andrews. While the completed product was certainly the achievement of not only Mr. Andrews but also the talented staff of Seeburg engineers, led by chief engineer Mahlon W. Kenney, it was Andrews' vertical play automatic phonograph that served as the start of it all …
Patents -- -- -- Images used by permission courtesy Rick Botts
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45 RPM Sequence of Operations described in 1942 Application
Although the Sequence of Operations of the 78 RPM Library Unit and the M100A marked the debut of the Select-O-Matic, the 45 RPM Sequence was described in May, 1942!