[NV12153], Technical Note, Thomas Alva Edison, September 17th, 1877
https://edisondigital.rutgers.edu/document/NV12153
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[NV12153], Technical Note, Thomas Alva Edison, September 17th, 1877
Editor's Notes
Using large number of silk-plumbagoed disks finds speaking painfully loud but can be adjusted to be very sensitive and use as megaphone legislatures; proposes to dampen Bell diaphragm with strips of rubber to overcome harmonics
Author
Mentioned
Date
1877-09-17
Type
Subject
Folder/Volume ID
NV12-F
Microfilm ID
4:71
Document ID
NV12153
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University