Phonograph, December 20, 1892
Item
- Title
- Phonograph, December 20, 1892
- Author
- Thomas A. Edison
- Date Executed
- 1888-05-26
- Date Filed
- 1888-05-29
- Date Issued
- 1892-12-20
- Type
- Patent Issued
- Subject
- Phonographs and Sound Recording
- Document ID
- PAT488189
- Has Format
- https://iiif.archive.org/iiif/edisonpatent488189/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