Printing-Telegraphs, May 13, 1873

Item

Title
Printing-Telegraphs, May 13, 1873
Author
Thomas A. Edison
Date Executed
1873-03-07
Date Filed
1873-03-13
Date Issued
1873-05-13
Type
Patent Issued
Subject
Telegraphy and Telephony
Document ID
PAT138870
Has Format
https://iiif.archive.org/iiif/edisonpatent138870/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