Telegraph Apparatus, December 21, 1875
Item
- Title
- Telegraph Apparatus, December 21, 1875
- Author
- Thomas A. Edison
- Date Executed
- 1875-02-11
- Date Filed
- 1875-02-16
- Date Issued
- 1875-12-21
- Type
- Patent Issued
- Subject
- Telegraphy and Telephony
- Document ID
- PAT171273
- Has Format
- https://iiif.archive.org/iiif/edisonpatent171273/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