[N079163] Technical Note, c. 1879

Item

Abstract

note on a chalk for telephones, followed by circuit drawings

Date

1879-00-00

Decade

1870-1879

Identifier

N079163

Folder Set

N079

Title

[N079163] Technical Note, c. 1879

Microfilm ID

35:447

Publisher

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