[D8472ZAB], Letter from R W Lader to Thomas Alva Edison, September 17th, 1884
https://edisondigital.rutgers.edu/document/D8472ZAB
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[D8472ZAB], Letter from R W Lader to Thomas Alva Edison, September 17th, 1884
Editor's Notes
wrote you with idea but you said you were out of telephone experimental work, asks for feedback on idea of stethoscope using principle of telephone # TAE marg "A dozen parties have worked on this idea, the telephone doesn’t give a true sound. E"
Author
Recipient
Date
1884-09-17
Type
Subject
Folder/Volume ID
D8472-F
Microfilm ID
76:956
Document ID
D8472ZAB
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University