Leon F. Douglass: "On This Day in Phonographic History..."

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"On This Day in Phonographic History..."

 

March 17, 1892:  Leon F. Douglass filed for a U.S. patent for “Method of and Means for Duplicating or Transferring Phonographic Records.”  This involved simply attaching the reproducer of one phonograph to the recorder of another phonograph with a squeezed rubber tube, resulting in a slight vacuum. 

 

May 24, 1892: Leon F. Douglass was granted a U.S. patent (No.475,490) for “Method of and Means for Duplicating or Transferring Phonographic Records.”

 

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