Perforators for Automatic Telegraphy, February 10, 1874

Item

Title
Perforators for Automatic Telegraphy, February 10, 1874
Author
Thomas A. Edison
Date Executed
1873-03-24
Date Filed
1873-07-29
Date Issued
1874-02-10
Type
Patent Issued
Subject
Telegraphy and Telephony
Document ID
PAT147312
Has Format
https://iiif.archive.org/iiif/edisonpatent147312/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