Url https://edisondigital.rutgers.edu/document/D7829J Resource class dctype:Text Title [D7829J], Letter from Clarence J Blake to Thomas Alva Edison, February 11th, 1878 Creator Blake, Clarence J Subject Cylinder phonograph Sound and acoustics Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-02-11 Type Letter Identifier D7829J Source 18:916 Relation Mayer, Alfred Marshall Rights Thomas Edison National Historical Park Date Created 1878-02-11 Has Version https://archive.org/details/edisonmicrofilm18/page/n924/mode/1up Archive.org Viewer, Microfilm Series Reel 18 Is Part Of D7829-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D7829J https://edisondigital.rutgers.edu/document/D7829J --