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[NS7811B], Technical Note, John Kruesi, Charles Batchelor, February 6th, 1878

Title: [NS7811B], Technical Note, John Kruesi, Charles Batchelor, February 6th, 1878
Editor's Notes: Case 151 finished model on 13 Feb
Author: Batchelor, Charles; Kruesi, John
Date: 1878-02-06
Type: Technical Note
Subject: Telephone
Folder ID: NS7811-F
Microfilm ID: 7:916
Document ID: NS7811B
URL: https://edisondigital.rutgers.edu/document/NS7811B
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 7