Url https://edisondigital.rutgers.edu/document/MBN001016 Resource class dctype:Text Title [MBN001016], Technical Note, Charles Batchelor, January 31st, 1875 Creator Batchelor, Charles Subject Automatic telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1875-01-31 Type Technical Note Identifier MBN001016 Source 90:617 Relation Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1875-01-31 Has Version https://archive.org/details/edisonmicrofilm90/page/n627/mode/1up Archive.org Viewer, Microfilm Series Reel 90 Is Part Of MBN001-F Uri https://edisondigital.rutgers.edu/document/MBN001016 https://edisondigital.rutgers.edu/document/MBN001016 --