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Author(s)
Edison, Thomas AlvaNational Phonograph Co
Recipient(s)
Others Mentioned
Devonald, Frederick C
Subject(s)
Patent assignments, licenses, and royaltiesCylinder record and duplicating technology
Federal funding provided by![]() ![]() A project that narrates Edison's life and work through his documents |
Recipient(s)
Others Mentioned
Devonald, Frederick C
The Thomas A. Edison Papers was founded by the following organizations