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Author(s)
Edison (Thomas A.) Inc. Manufacturing CommitteeConstable, John Pierrepont
Recipient(s)
Others Mentioned
Williams (Edison Employee)
Halpin, Zachariah Power
Olson, Werner Oscar
Hayes, William Alphonsus
Waterman, Albert Perry
Reese, Laurits Anton
Wilson, Carl Hillis
Ries, Charles Daniel
Subject(s)
Cylinder phonographTesting and quality control
Disc phonograph
Disc record and duplicating technology