Thomas A. Edison Papers Image Edition · Thomas Edison Papers Digital Edition

[NV14006] Technical Note, January 6th, 1878

Title: [NV14006] Technical Note, January 6th, 1878
Editor's Notes: headphone and 4 diaphragm -- Models 2 & 3
Author: Batchelor, Charles; Adams, James
Date: 1878-01-06
Type: Technical Note
Subject: Telephone
Folder ID: NV14-F
Microfilm ID: 4:155
Document ID: NV14006
URL: https://edisondigital.rutgers.edu/document/NV14006
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