Technical Note, William Carman, September 13th, 1878

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Author(s)

Carman, William
Recipient(s)
Others Mentioned

Subject(s)

Multiple telegraphy (duplex, quadruplex)
Carbon, coal, glass, ceramics
Miscellaneous electrical technologies

Dated

1878-09-13 (1878)

Associated Images

1

Identifier

NE1694279 (legacy)

Rights

Thomas Edison National Historical Park

Publisher

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

Citation

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