[PT032AAU], Patent Application, Thomas Alva Edison, February 20th, 1888
https://edisondigital.rutgers.edu/document/PT032AAU
PDF: Archive.org
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Metadata
- Title
- [PT032AAU], Patent Application, Thomas Alva Edison, February 20th, 1888
- Editor's Notes
- Patent appl wax phonogram blanks: object to improve articulation of phonograph by burnishing wax surface. Addresses tool marks seen under magnifying glass that produce foreign sounds in reproducer. Filed 2 March 1888.
- Author
- Edison, Thomas Alva
- Date
- 1888-02-20
- Type
- Patent Application
- Folder ID
- PT032AAU-F
- Microfilm ID
- 114:284
- Document ID
- PT032AAU
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 114
- Item sets
- [PT032AAU-F] Phonogram Blanks (1888)