[PT005B], Patent Application, Thomas Alva Edison, April 9th, 1873

Item

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Title

[PT005B], Patent Application, Thomas Alva Edison, April 9th, 1873

URL

https://edisondigital.rutgers.edu/document/PT005B

Author

Edison, Thomas Alva

Date

1873-04-09

Decade

1870-1879

Type

Patent Application

Subject

Multiple telegraphy (duplex, quadruplex)

Identifier

PT005B

Folder Set

PT005B-F

Microfilm ID

8:583

Rights

Thomas Edison National Historical Park

Publisher

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

Item sets

Abandoned Applications, Case B