Phonograph, May 18, 1880

Item

Title
Phonograph, May 18, 1880
Author
Thomas A. Edison
Date Executed
1879-03-19
Date Filed
1879-03-29
Date Issued
1880-05-18
Type
Patent Issued
Subject
Phonographs and Sound Recording
Document ID
PAT227679
Has Format
https://iiif.archive.org/iiif/edisonpatent227679/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