Url https://edisondigital.rutgers.edu/document/MBN001072 Resource class dctype:Text Title [MBN001072], Technical Note, Charles Batchelor, February 4th, 1878 Creator Batchelor, Charles Subject Telephone Electric battery Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-02-04 Type Technical Note Identifier MBN001072 Source 90:658 Rights Thomas Edison National Historical Park Date Created 1878-02-04 Has Version https://archive.org/details/edisonmicrofilm90/page/n668/mode/1up Archive.org Viewer, Microfilm Series Reel 90 Is Part Of MBN001-F Uri https://edisondigital.rutgers.edu/document/MBN001072 https://edisondigital.rutgers.edu/document/MBN001072 --