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Author(s)
Edison, Thomas AlvaRecipient(s)
Others Mentioned
National Phonograph Co
Randolph, John F
Subject(s)
Patent infringementCylinder record and duplicating technology
Cylinder phonograph
Federal funding provided by![]() ![]() A project that narrates Edison's life and work through his documents |
Recipient(s)
Others Mentioned
National Phonograph Co
Randolph, John F
The Thomas A. Edison Papers was founded by the following organizations