Letter from George W Ketcham to Thomas Alva Edison, September 18th, 1877

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Author(s)

Ketcham, George W
Recipient(s)
Edison, Thomas Alva
Others Mentioned

Subject(s)

Telephone
Metals and minerals

Dated

1877-09-18 (1877)

Associated Images

1

Identifier

D7719ZBW (legacy)

Rights

Thomas Edison National Historical Park

Publisher

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

Citation

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