[MBP013], Patent Issued, Thomas Alva Edison, June 15th, 1878

Item

Abstract

Brit. Pat. 2396; carbon telephone and circuits

Date

1878-06-15

Decade

1870-1879

Subject

Identifier

MBP013

Folder Set

MBP

Title

[MBP013], Patent Issued, Thomas Alva Edison, June 15th, 1878

Microfilm ID

92:89

Publisher

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