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[D7903ZAT], Letter from Karl Eduard Zetzsche to Telegraphic Journal, February 17th, 1879

Title: [D7903ZAT], Letter from Karl Eduard Zetzsche to Telegraphic Journal, February 17th, 1879
Editor's Notes: draft of letter ed of Teleg Jrnl re: microphone (see 49:104); translation follows
Author: Zetzsche, Karl Eduard
Recipient: Telegraphic Journal
Mentioned: Hughes, David Edward; Barrett, William Fletcher
Date: 1879-02-17
Type: Letter
Subject: Telegraph; Microphone and other acoustic devices
Folder ID: D7903-F
Microfilm ID: 49:106
Document ID: D7903ZAT
URL: https://edisondigital.rutgers.edu/document/D7903ZAT
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 49