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Author(s)
Wilber, Zenas FiskRecipient(s)
U.S. Patent Office. CommissionerOthers Mentioned
Harrington, George
Edison, Thomas Alva
Subject(s)
Multiple telegraphy (duplex, quadruplex)Patent application
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A project that narrates Edison's life and work through his documents |
Recipient(s)
U.S. Patent Office. CommissionerOthers Mentioned
Harrington, George
Edison, Thomas Alva
The Thomas A. Edison Papers was founded by the following organizations