Phonograph-Recorder, September 30, 1890

Item

Title
Phonograph-Recorder, September 30, 1890
Author
Thomas A. Edison
Date Executed
1889-02-01
Date Filed
1889-02-11
Date Issued
1890-09-30
Type
Patent Issued
Subject
Phonographs and Sound Recording
Document ID
PAT437425
Has Format
https://iiif.archive.org/iiif/edisonpatent437425/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
Related Materials
Item Set PT032ABP-F