Url https://edisondigital.rutgers.edu/document/D7805ZCN Resource class dctype:Text Title [D7805ZCN], Letter from Scribner's Monthly, Charles Barnard to Charles Batchelor, August 6th, 1878 Creator Scribner's Monthly Barnard, Charles Subject Microphone and other acoustic devices Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-08-06 Type Letter Identifier D7805ZCN Source 17:152 Rights Thomas Edison National Historical Park Date Created 1878-08-06 Has Version https://archive.org/details/edisonmicrofilm17/page/n160/mode/1up Archive.org Viewer, Microfilm Series Reel 17 Is Part Of D7805-F Recipient Batchelor, Charles Uri https://edisondigital.rutgers.edu/document/D7805ZCN https://edisondigital.rutgers.edu/document/D7805ZCN --