Letter from William Unger to Thomas Alva Edison, July 12th, 1874

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Author(s)

Unger, William
Recipient(s)
Edison, Thomas Alva
Others Mentioned
Grace, Frederick J
Reiff, Josiah Custer

Subject(s)

Automatic telegraphy
Patent interference

Dated

1874-07-12 (1874)

Associated Images

1

Identifier

D7405D (legacy)

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
 

Citation

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