Url https://edisondigital.rutgers.edu/document/MBN001063 Resource class dctype:Text Title [MBN001063], Technical Note, Charles Batchelor, March 31st, 1877 Creator Batchelor, Charles Subject Automatic telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1877-03-31 Type Technical Note Identifier MBN001063 Source 90:648 Relation Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1877-03-31 Has Version https://archive.org/details/edisonmicrofilm90/page/n658/mode/1up Archive.org Viewer, Microfilm Series Reel 90 Is Part Of MBN001-F Uri https://edisondigital.rutgers.edu/document/MBN001063 https://edisondigital.rutgers.edu/document/MBN001063 --