Url https://edisondigital.rutgers.edu/document/NA351189 Resource class dctype:Text Title [NA351189], Technical Note, Absalom Mason Kennedy, July 30th, 1915 Creator Kennedy, Absalom Mason Subject Microphone and other acoustic devices Disc phonograph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1915-07-30 Type Technical Note Identifier NA351189 Source 236:577 Relation Hutchison, Miller Reese Taylor, Henry Alfred Rights Thomas Edison National Historical Park Date Created 1915-07-30 Has Version https://archive.org/details/edisonmicrofilm236/page/n587/mode/1up Archive.org Viewer, Microfilm Series Reel 236 Is Part Of NA351-F Uri https://edisondigital.rutgers.edu/document/NA351189 https://edisondigital.rutgers.edu/document/NA351189 --