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[NV18077] Technical Note, November 5th, 1878

Title: [NV18077] Technical Note, November 5th, 1878
Editor's Notes: drawings and "Discs of Blotting pads-- 2 thickness inserted between the diaphragm and the box to prevent the contracting of the vibrations of the diaphragm [in] the wooden box"
Author: Force, Martin N; Batchelor, Charles; Edison, Charles Pitt; Kruesi, John; Edison, Thomas Alva
Date: 1878-11-05
Type: Technical Note
Subject: Telephone
Folder ID: NV18-F
Microfilm ID: 4:1111
Document ID: NV18077
URL: https://edisondigital.rutgers.edu/document/NV18077
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