Production of Disk Phonograph Records, July 21, 1925

Title: Production of Disk Phonograph Records, July 21, 1925
Author: Thomas A. Edison
Date Executed: 1923-05-23
Date Filed: 1923-05-25
Date Issued: 1925-07-21
Type: Patent Issued
Subject: Phonographs and Sound Recording
Document ID: PAT1546573
Has Format: https://iiif.archive.org/iiif/edisonpatent1546573/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