Url https://edisondigital.rutgers.edu/document/CK620ABJ Resource class dctype:Text Title [CK620ABJ], Memorandum, Elmer Ellsworth Dougherty, September 9th, 1920 Creator Dougherty, Elmer Ellsworth Subject Metals and minerals Electric battery Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1920-09-09 Type Memorandum Identifier CK620ABJ Source 213:153 Rights Thomas Edison National Historical Park Date Created 1920-09-09 Has Version https://archive.org/details/edisonmicrofilm213/page/n162/mode/1up Archive.org Viewer, Microfilm Series Reel 213 Is Part Of CK620-F Uri https://edisondigital.rutgers.edu/document/CK620ABJ https://edisondigital.rutgers.edu/document/CK620ABJ --