Url https://edisondigital.rutgers.edu/document/QP003833 Resource class dctype:Text Title [QP003833], Technical Note, Thomas Hood Macdonald, May 3rd, 1894 Creator Macdonald, Thomas Hood Subject Chemicals, chemical products, and chemical processes Cylinder record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1894-05-03 Type Technical Note Identifier QP003833 Source 116:873 Relation American Graphophone Co Rights Thomas Edison National Historical Park Date Created 1894-05-03 Has Version https://archive.org/details/edisonmicrofilm116/page/n883/mode/1up Archive.org Viewer, Microfilm Series Reel 116 Is Part Of QP003-F Uri https://edisondigital.rutgers.edu/document/QP003833 https://edisondigital.rutgers.edu/document/QP003833 --