Phonographic Apparatus, August 20, 1912
Item
- Title
- Phonographic Apparatus, August 20, 1912
- Author
- Thomas A. Edison
- Date Executed
- 1909-11-01
- Date Filed
- 1909-11-03
- Date Issued
- 1912-08-20
- Type
- Patent Issued
- Subject
- Phonographs and Sound Recording
- Document ID
- PAT1036470
- Has Format
- https://iiif.archive.org/iiif/edisonpatent1036470/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