[W100BA2A6], Patent Application, Thomas Alva Edison, August 19th, 1874

Item

Author

Edison, Thomas Alva

Mentions

Serrell, Lemuel Wright
Smith, Charles H
Pinckney, George T

Date

1874-08-19

Decade

1870-1879

Type

Patent Application

Subject

Multiple telegraphy (duplex, quadruplex)

Identifier

W100BA2A6

Folder Set

W100BA

Title

[W100BA2A6], Patent Application, Thomas Alva Edison, August 19th, 1874

Microfilm ID

Publisher

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

Item sets

Patent Application Files