Url https://edisondigital.rutgers.edu/document/E1518DDO1 Resource class dctype:Text Title [E1518DDO1], Letter from Thomas Alva Edison to William Horatio Mason, April 16th, 1915 Creator Edison, Thomas Alva Subject Newspapers, books, other publications Manufacturing Chemicals, chemical products, and chemical processes Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1915-04-16 Type Letter Identifier E1518DDO1 Source 261:131 Relation American Tar Products Co Hirzel, Heinrich Rights Thomas Edison National Historical Park Date Created 1915-04-16 Has Version https://archive.org/details/edisonmicrofilm261/page/n141/mode/1up Archive.org Viewer, Microfilm Series Reel 261 Is Part Of E1518D-F Recipient Mason, William Horatio Uri https://edisondigital.rutgers.edu/document/E1518DDO1 https://edisondigital.rutgers.edu/document/E1518DDO1 --