Thomas A. Edison Papers Image Edition · Thomas Edison Papers Digital Edition

[NP021B], Technical Note, Thomas Alva Edison, March 4th, 1886

Title: [NP021B], Technical Note, Thomas Alva Edison, March 4th, 1886
Editor's Notes: "Deaf" notes and drawings related to hearing aid devices
Author: Edison, Thomas Alva
Date: 1886-03-04
Type: Technical Note
Subject: Incandescent lamp; Microphone and other acoustic devices
Folder ID: NP021-F
Microfilm ID: 44:157
Document ID: NP021B
URL: https://edisondigital.rutgers.edu/document/NP021B
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 44