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[NV12040] Technical Note, July 20th, 1877

Title: [NV12040] Technical Note, July 20th, 1877
Author: Batchelor, Charles; Adams, James
Date: 1877-07-20
Type: Technical Note
Subject: Telephone
Folder ID: NV12-F
Microfilm ID: 4:22
Document ID: NV12040
URL: https://edisondigital.rutgers.edu/document/NV12040
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