[NV14042], Technical Note, Thomas Alva Edison, February 20th, 1878

Item

Abstract

Variations on patent office model of 12 Feb

Date

1878-02-20

Decade

1870-1879

Subject

Identifier

NV14042

Folder Set

NV14

Title

[NV14042], Technical Note, Thomas Alva Edison, February 20th, 1878

Microfilm ID

4:183

Publisher

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