Telegraph Apparatus, January 23, 1872
Item
- Title
- Telegraph Apparatus, January 23, 1872
- Author
- Thomas A. Edison
- Date Executed
- 1871-07-26
- Date Filed
- 1871-08-04
- Date Issued
- 1872-01-23
- Type
- Patent Issued
- Subject
- Telegraphy and Telephony
- Document ID
- PAT123005
- Has Format
- https://iiif.archive.org/iiif/edisonpatent123005/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