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[PT032AAS], Patent Application, Thomas Alva Edison, January 24th, 1888

Title: [PT032AAS], Patent Application, Thomas Alva Edison, January 24th, 1888
Editor's Notes: Patent appl wax phonogram blanks. MOLD BLANK WITH A SLIT IN IT---enable a better blank to be produced, lessen the cost of manufacture and prevent cracking while cooling in the mold filed. Filed 30 Jan 1888
Author: Edison, Thomas Alva
Date: 1888-01-24
Type: Patent Application
Subject: Cylinder record and duplicating technology
Folder ID: PT032AAS-F
Microfilm ID: 114:262
Document ID: PT032AAS
URL: https://edisondigital.rutgers.edu/document/PT032AAS
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 114