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[NV12043], Technical Note, Charles Batchelor, Thomas Alva Edison, July 21st, 1877

Title: [NV12043], Technical Note, Charles Batchelor, Thomas Alva Edison, July 21st, 1877
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1877-07-21
Type: Technical Note
Subject: Sound and acoustics
Folder ID: NV12-F
Microfilm ID: 4:24
Document ID: NV12043
URL: https://edisondigital.rutgers.edu/document/NV12043
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