[NS7602D], Technical Note, James Adams, Thomas Alva Edison, July 12th, 1876

Item

Abstract

acoustic transfer teleg -- several (7) pages all on Elec Pen Co letterhead -- possibly as illustration to talking telegraph from TI of same date

Date

1876-07-12

Decade

1870-1879

Identifier

NS7602D

Folder Set

NS7602

Title

[NS7602D], Technical Note, James Adams, Thomas Alva Edison, July 12th, 1876

Microfilm ID

7:355

Publisher

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