[N311051], Technical Note, Hugh De Coursey Hamilton, December 15th, 1885

Item

Abstract

continuation of Phonplex experiments various diaphragms spool resistance and sheets of condenser

Mentions

Date

1885-12-15

Decade

1880-1889

Identifier

N311051

Folder Set

N311

Title

[N311051], Technical Note, Hugh De Coursey Hamilton, December 15th, 1885

Microfilm ID

42:378

Publisher

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

Item sets