Url https://edisondigital.rutgers.edu/document/D7941ZDU Resource class dctype:Text Title [D7941ZDU], Letter from Edward Hibberd Johnson to Edison Telephone Co of London Ltd, September 4th, 1879 Creator Johnson, Edward Hibberd Subject Carbon, coal, glass, ceramics Telephone Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1879-09-04 Type Letter Identifier D7941ZDU Source 52:692 Relation Bell, Alexander Graham Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1879-09-04 Has Version https://archive.org/details/edisonmicrofilm52/page/n701/mode/1up Archive.org Viewer, Microfilm Series Reel 52 Is Part Of D7941-F Recipient Edison Telephone Co of London Ltd Uri https://edisondigital.rutgers.edu/document/D7941ZDU https://edisondigital.rutgers.edu/document/D7941ZDU --