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[NV12153], Technical Note, Thomas Alva Edison, September 17th, 1877

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: Edison, Thomas Alva
Mentioned: Bell, Alexander Graham
Date: 1877-09-17
Type: Technical Note
Subject: Telephone
Folder ID: NV12-F
Microfilm ID: 4:71
Document ID: NV12153
URL: https://edisondigital.rutgers.edu/document/NV12153
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 4

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