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[PT032AAP], Patent Application, Thomas Alva Edison, January 9th, 1888

Title: [PT032AAP], Patent Application, Thomas Alva Edison, January 9th, 1888
Editor's Notes: Patent appl manufacturing molded wax phonogram blanks with stable and same expansion under various temperatures. Filed 16 Jan 1888 abandoned 1894; related to Case 747.
Author: Edison, Thomas Alva
Date: 1888-01-09
Type: Patent Application
Subject: Cylinder record and duplicating technology
Folder ID: PT032AAP-F
Microfilm ID: 114:217
Document ID: PT032AAP
URL: https://edisondigital.rutgers.edu/document/PT032AAP
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