[PT5040], Patent Application, Thomas Alva Edison, January 2nd, 1912

Item

Author

Edison, Thomas Alva

Date

1912-01-02

Decade

1910-1919

Type

Patent Application

Subject

Disc record and duplicating technology

Identifier

PT5040

Folder Set

PT5040

Title

[PT5040], Patent Application, Thomas Alva Edison, January 2nd, 1912

Microfilm ID

245:546

Rights

Thomas Edison National Historical Park

Publisher

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

Item sets

Method of Making Sound-Record Molds (1912)