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[D7901C], Letter from A A Ayers to Thomas Alva Edison, September 24th, 1879

Title: [D7901C], Letter from A A Ayers to Thomas Alva Edison, September 24th, 1879
Editor's Notes: Describes devices to help deaf hear; wants TAE to improve them. One is method of hearing through teeth. Had written several years ago and heard no news since. Encloses Chicago Tribune clipping on 'audiphone." Marg: "tried it. Didn't seem very clever...."
Author: Ayers, A A
Recipient: Edison, Thomas Alva
Date: 1879-09-24
Type: Letter
Subject: TAE health; Microphone and other acoustic devices
Folder ID: D7901-F
Microfilm ID: 49:9
Document ID: D7901C
URL: https://edisondigital.rutgers.edu/document/D7901C
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 49

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