[PT005A1], Patent Specification, Thomas Alva Edison, April 9th, 1873

Item

Date

1873-04-09

Decade

1870-1879

Identifier

PT005A1

Folder Set

PT005A

Title

[PT005A1], Patent Specification, Thomas Alva Edison, April 9th, 1873

Microfilm ID

8:552

Publisher

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