[D7830ZBA], Letter from F L Lundy to James Redpath, June 28th, 1878

Item

Abstract

In experimenting with his phono discovered that parchment diaphragm is superior to tin but shrinks and loses ability when moistened with breath -- suggests ways to overcome defects -- referred by Redpath to TAE

Author

Recipient

Date

1878-06-28

Decade

1870-1879

Type

Identifier

D7830ZBA

Folder Set

D7830

Title

[D7830ZBA], Letter from F L Lundy to James Redpath, June 28th, 1878

Microfilm ID

19:91

Publisher

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