Url https://edisondigital.rutgers.edu/document/E1709AC Resource class dctype:Text Title [E1709AC], Letter from William Charles Bauer to Thomas Alva Edison, April 21st, 1917 Creator Bauer, William Charles Subject Electric battery Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1917-04-21 Type Letter Identifier E1709AC Source 268:151 Rights Thomas Edison National Historical Park Date Created 1917-04-21 Has Version https://archive.org/details/edisonmicrofilm268/page/n161/mode/1up Archive.org Viewer, Microfilm Series Reel 268 Is Part Of E1709-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/E1709AC https://edisondigital.rutgers.edu/document/E1709AC --