[D7830ZBA], Letter from F L Lundy to James Redpath, June 28th, 1878
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Title
[D7830ZBA], Letter from F L Lundy to James Redpath, June 28th, 1878
Editor's Notes
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
Type
Folder/Volume ID
D7830-F
Microfilm ID
19:91
Document ID
D7830ZBA
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University