[PT5057], Patent Application, Thomas Alva Edison, July 15th, 1912

Item

Date

1912-07-15

Decade

1910-1919

Identifier

PT5057

Folder Set

PT5057

Title

[PT5057], Patent Application, Thomas Alva Edison, July 15th, 1912

Microfilm ID

246:1

Publisher

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