Letter from Charles Batchelor to Telegraphic Journal, August 20th, 1875

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Author(s)

Batchelor, Charles
Recipient(s)
Telegraphic Journal
Others Mentioned

Subject(s)

Competition and market structure
Patents
Multiple telegraphy (duplex, quadruplex)

Dated

1875-08-20 (1875)

Associated Images

2

Identifier

MBLB1014 (legacy)

Rights

Thomas Edison National Historical Park

Publisher

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

Citation

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