Url https://edisondigital.rutgers.edu/document/X128B053 Resource class dctype:Text Title [X128B053], Technical Note, John F Ott, June 8th, 1886 Creator Ott, John F Subject Phonoplex and railroad telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1886-06-08 Type Technical Note Identifier X128B053 Rights Charles Hummel Date Created 1886-06-08 Is Part Of X128B-F Uri https://edisondigital.rutgers.edu/document/X128B053 https://edisondigital.rutgers.edu/document/X128B053 --