Phonograph-Record, September 29, 1914

Item

Title
Phonograph-Record, September 29, 1914
Author
Thomas A. Edison
Date Executed
1912-01-19
Date Filed
1912-01-20
Date Issued
1914-09-29
Type
Patent Issued
Subject
Phonographs and Sound Recording
Document ID
PAT1111999
Has Format
https://iiif.archive.org/iiif/edisonpatent1111999/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 PT5042-F