Phonograph, July 09, 1889

Item

Title
Phonograph, July 09, 1889
Author
Thomas A. Edison
Date Executed
1889-02-01
Date Filed
1889-02-11
Date Issued
1889-07-09
Type
Patent Issued
Subject
Phonographs and Sound Recording
Document ID
PAT406570
Has Format
https://iiif.archive.org/iiif/edisonpatent406570/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