Url https://edisondigital.rutgers.edu/document/X128C20F Resource class dctype:Text Title [X128C20F], Letter from Thomas Alva Edison to Josephus Daniels, April 12th, 1917 Creator Edison, Thomas Alva Subject Testing and quality control Submarines and submarine warfare Incandescent lamp Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1917-04-12 Type Letter Identifier X128C20F Relation U.S. Naval Torpedo Station (Newport) Sperry, Elmer Ambrose Rights Charles Hummel Date Created 1917-04-12 Is Part Of X128C20-F Recipient Daniels, Josephus Uri https://edisondigital.rutgers.edu/document/X128C20F https://edisondigital.rutgers.edu/document/X128C20F --