Telegraph Apparatus, January 19, 1875
Item
- Title
- Telegraph Apparatus, January 19, 1875
- Author
- Thomas A. Edison
- Date Executed
- 1874-08-07
- Date Filed
- 1874-08-13
- Date Issued
- 1875-01-19
- Type
- Patent Issued
- Subject
- Telegraphy and Telephony
- Document ID
- PAT158787
- Has Format
- https://iiif.archive.org/iiif/edisonpatent158787/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