Url https://edisondigital.rutgers.edu/document/D8403ZAZ Resource class dctype:Text Title [D8403ZAZ], Letter from Nathaniel Shepard Keith to Thomas Alva Edison, April 4th, 1884 Creator Keith, Nathaniel Shepard Subject Metals and minerals Chemicals, chemical products, and chemical processes Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1884-04-04 Type Letter Identifier D8403ZAZ Source 71:93 Rights Thomas Edison National Historical Park Date Created 1884-04-04 Has Version https://archive.org/details/edisonmicrofilm71/page/n103/mode/1up Archive.org Viewer, Microfilm Series Reel 71 Is Part Of D8403-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D8403ZAZ https://edisondigital.rutgers.edu/document/D8403ZAZ --