Transmitters and Receivers for Automatic Telegraphs, September 28, 1875

Title: Transmitters and Receivers for Automatic Telegraphs, September 28, 1875
Author: Thomas A. Edison
Date Executed: 1875-01-18
Date Filed: 1875-01-26
Date Issued: 1875-09-28
Type: Patent Issued
Subject: Telegraphy and Telephony
Document ID: PAT168242
Has Format: https://iiif.archive.org/iiif/edisonpatent168242/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