Phonographic Recording Apparatus, September 07, 1915

Title: Phonographic Recording Apparatus, September 07, 1915
Author: Thomas A. Edison
Date Executed: 1910-01-26
Date Filed: 1910-01-27
Date Issued: 1915-09-07
Type: Patent Issued
Subject: Phonographs and Sound Recording
Document ID: PAT1152614
Has Format: https://iiif.archive.org/iiif/edisonpatent1152614/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