Unison-Stops for Printing-Telegraphs, September 17, 1872

Title: Unison-Stops for Printing-Telegraphs, September 17, 1872
Author: Thomas A. Edison
Date Executed: 1872-06-29
Date Filed: 1872-07-09
Date Issued: 1872-09-17
Type: Patent Issued
Subject: Telegraphy and Telephony
Document ID: PAT131344
Has Format: https://iiif.archive.org/iiif/edisonpatent131344/manifest.json
Rights: Edison's patents are in the public domain and have been made available through the generosity of David Kovanen.
Publisher: The Thomas A. Edison Papers