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

[D8468ZBM], Patent Application, Sigmund Bergmann, September 15th, 1884

Title: [D8468ZBM], Patent Application, Sigmund Bergmann, September 15th, 1884
Editor's Notes: [typescript] Patent application for Improvement in Electric Telephone Transmitters.
Author: Bergmann, Sigmund
Date: 1884-09-15
Type: Patent Application
Subject: Patent application; Telephone
Folder ID: D8468-F
Microfilm ID: 76:787
Document ID: D8468ZBM
URL: https://edisondigital.rutgers.edu/document/D8468ZBM
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 76