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[NV18063], Technical Note, Charles Batchelor, Thomas Alva Edison, October 30th, 1878

Title: [NV18063], Technical Note, Charles Batchelor, Thomas Alva Edison, October 30th, 1878
Editor's Notes: another page of solutions by Batch
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1878-10-30
Type: Technical Note
Subject: Metals and minerals; Telephone
Folder ID: NV18-F
Microfilm ID: 4:1098
Document ID: NV18063
URL: https://edisondigital.rutgers.edu/document/NV18063
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