Printing-Telegraphs, September 21, 1875

Item

Title
Printing-Telegraphs, September 21, 1875
Author
Thomas A. Edison
Date Executed
1874-05-22
Date Filed
1874-06-01
Date Issued
1875-09-21
Type
Patent Issued
Subject
Telegraphy and Telephony
Document ID
PAT168004
Has Format
https://iiif.archive.org/iiif/edisonpatent168004/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