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[X128B016], Technical Note, John F Ott, January 3rd, 1879

Title: [X128B016], Technical Note, John F Ott, January 3rd, 1879
Author: Ott, John F
Date: 1879-01-03
Type: Technical Note
Subject: Health and medicine; Microphone and other acoustic devices
Folder ID: X128B-F
Document ID: X128B016
URL: https://edisondigital.rutgers.edu/document/X128B016
Rights: Charles Hummel
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University