Url https://edisondigital.rutgers.edu/document/X128B005 Resource class dctype:Text Title [X128B005], Technical Note, John F Ott, Thomas Alva Edison, December 6th, 1878 Creator Ott, John F Edison, Thomas Alva Subject Telephone Electromotograph Incandescent lamp Microphone and other acoustic devices Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-12-06 Type Technical Note Identifier X128B005 Relation Hughes, David Edward Rights Charles Hummel Date Created 1878-12-06 Is Part Of X128B-F Uri https://edisondigital.rutgers.edu/document/X128B005 https://edisondigital.rutgers.edu/document/X128B005 --