[D7919M], Letter from Thomas H Ladd to Thomas Alva Edison, February 6th, 1879
https://edisondigital.rutgers.edu/document/D7919M
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[D7919M], Letter from Thomas H Ladd to Thomas Alva Edison, February 6th, 1879
Editor's Notes
His light suggestion not like Werdermann light. Suggests using copper rod in light contact with carbon. Marg: Engl pat ref; "Your last suggestion has been tried by me."
Author
Recipient
Mentioned
Date
1879-02-06
Type
Folder/Volume ID
D7919-F
Microfilm ID
50:17
Document ID
D7919M
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University