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[NV15120], Technical Note, Charles Batchelor, Thomas Alva Edison, December 9th, 1877

Title: [NV15120], Technical Note, Charles Batchelor, Thomas Alva Edison, December 9th, 1877
Editor's Notes: Model compensation for telephone; patent model drawing c.f. 4:474
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1877-12-09
Type: Technical Note
Subject: Telephone
Folder ID: NV15-F
Microfilm ID: 4:432
Document ID: NV15120
URL: https://edisondigital.rutgers.edu/document/NV15120
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
License: CC0 1.0 Universal