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This selection represents the Edison Disc Record Master Mold Collection at the Edison National Historic Site in West Orange, New Jersey
from the top result below
https://www.loc.gov/programs/national-recording-preservation-board/recording-registry/descriptions-and-essays/
(1888)
Thomas Edison debuted his "perfected" wax-cylinder phonograph in the summer of 1888, rendering obsolete his 1877 tinfoil model and preventing a coup against his "favorite invention" by Bell and Tainter's insurgent Graphophone
https://www.loc.gov/classroom-materials/industrial-revolution-in-the-united-states/
American inventors like Alexander Graham Bell and Thomas Alva Edison created a long list of new technologies that improved communication, transportation, and industrial production
https://www.loc.gov/programs/national-recording-preservation-board/recording-registry/index-of-essays/
Preservation Board | Programs | Library of Congress
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https://www.loc.gov/programs/national-recording-preservation-board/recording-registry/complete-national-recording-registry-listing/
| National Recording Preservation Board | Programs | Library of Congress
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https://www.loc.gov/programs/national-recording-preservation-board/recording-registry/personnel-credits/
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Everything Audio Recordings Books/Printed Material Films, Videos Legislation Manuscripts/Mixed Material Maps Notated Music Newspapers