Phonograph, July 31, 1888

Item

Title
Phonograph, July 31, 1888
Author
Thomas A. Edison
Date Executed
1887-11-22
Date Filed
1887-11-26
Date Issued
1888-07-31
Type
Patent Issued
Subject
Phonographs and Sound Recording
Document ID
PAT386974
Has Format
https://iiif.archive.org/iiif/edisonpatent386974/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