Url https://edisondigital.rutgers.edu/document/NV15006A Resource class dctype:Text Title [NV15006A], Technical Note, Thomas Alva Edison, August 25th, 1877 Creator Edison, Thomas Alva Subject Telephone Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1877-08-25 Type Technical Note Identifier NV15006A Source 4:333 Rights Thomas Edison National Historical Park Date Created 1877-08-25 Has Version https://archive.org/details/edisonmicrofilm4/page/n341/mode/1up Archive.org Viewer, Microfilm Series Reel 4 Is Part Of NV15-F Uri https://edisondigital.rutgers.edu/document/NV15006A https://edisondigital.rutgers.edu/document/NV15006A --