Railway Signaling, June 19, 1888

Item

Title
Railway Signaling, June 19, 1888
Author
Thomas A. Edison
Date Executed
1886-11-24
Date Filed
1886-11-29
Date Issued
1888-06-19
Type
Patent Issued
Subject
Telegraphy and Telephony
Document ID
PAT384830
Has Format
https://iiif.archive.org/iiif/edisonpatent384830/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