Url https://edisondigital.rutgers.edu/document/NB171AAC Resource class dctype:Text Title [NB171AAC], Technical Note, Walter Elam Holland, August 12th, 1907 Creator Holland, Walter Elam Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1907-08-12 Type Technical Note Identifier NB171AAC Source 175:805 Rights Thomas Edison National Historical Park Date Created 1907-08-12 Has Version https://archive.org/details/edisonmicrofilm175/page/n805/mode/1up Archive.org Viewer, Microfilm Series Reel 175 Is Part Of NB171-F Uri https://edisondigital.rutgers.edu/document/NB171AAC https://edisondigital.rutgers.edu/document/NB171AAC --