[PA421] Artifact, July 24th, 1874

Item

Author

Edison, Thomas Alva

Date

1874-07-24

Decade

1870-1879

Type

Artifact

Subject

Automatic telegraphy

Identifier

PA421

Folder Set

PA4

Title

[PA421] Artifact, July 24th, 1874

Publisher

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

Item sets

[PA4], Untitled - Documents from The Papers of Thomas A. Edison, Volumes 1-7