Url https://edisondigital.rutgers.edu/document/D7903ZEG Resource class dctype:Text Title [D7903ZEG], Letter from Sigmund Bergmann to Thomas Alva Edison, May 27th, 1879 Creator Bergmann, Sigmund Subject Electric battery Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1879-05-27 Type Letter Identifier D7903ZEG Source 49:245 Rights Thomas Edison National Historical Park Date Created 1879-05-27 Has Version https://archive.org/details/edisonmicrofilm49/page/n253/mode/1up Archive.org Viewer, Microfilm Series Reel 49 Is Part Of D7903-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D7903ZEG https://edisondigital.rutgers.edu/document/D7903ZEG --