Telegraphic Recording Instruments, March 19, 1872

Title: Telegraphic Recording Instruments, March 19, 1872
Author: Thomas A. Edison
Date Executed: 1871-08-12
Date Filed: 1871-08-18
Date Issued: 1872-03-19
Type: Patent Issued
Subject: Telegraphy and Telephony
Document ID: PAT124800
Has Format: https://iiif.archive.org/iiif/edisonpatent124800/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