Url https://edisondigital.rutgers.edu/document/E1920AK Resource class dctype:Text Title [E1920AK], Letter from Harry Perry Engle to West Orange Laboratory, December 5th, 1919 Creator Engle, Harry Perry Subject Health and medicine Phonograph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1919-12-05 Type Letter Identifier E1920AK Source 271:645 Relation Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1919-12-05 Has Version https://archive.org/details/edisonmicrofilm271/page/n658/mode/1up Archive.org Viewer, Microfilm Series Reel 271 Is Part Of E1920-F Recipient West Orange Laboratory Uri https://edisondigital.rutgers.edu/document/E1920AK https://edisondigital.rutgers.edu/document/E1920AK --