1955
Ampex Develops First Multitrack Recording Facility
1954
Folkways releases Tony Schwartz’ New York 19
1954
Cook Records Releases Voice of the Sea
1952
Folkways Releases Releases Early Hydrophone Recordings
1952
Uher Electronics Company Founded in Germany
1952
Emory Cook Makes First Commercial Stereo Records
1951
Stefan Kudelski Develops the Portable Nagra I Recorder in Switzerland
1951
Peter Paul Kellogg Develops First Portable Recorder in the U.S.
1949
RCA Victor Introduces the 45 RPM Disc & Record Changer
1948
Moses Asch Founds Folkways Records, NYC