Url https://edisondigital.rutgers.edu/document/CL220AAM Resource class dctype:Text Title [CL220AAM], Letter from Frank Lewis Dyer to Thomas Graf, April 28th, 1909 Creator Dyer, Frank Lewis Subject Sales and service Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1909-04-28 Type Letter Identifier CL220AAM Source 217:172 Relation Edisonia Ltd Hough, James Edward Marks, George Croydon Rights Thomas Edison National Historical Park Date Created 1909-04-28 Has Version https://archive.org/details/edisonmicrofilm217/page/n181/mode/1up Archive.org Viewer, Microfilm Series Reel 217 Is Part Of CL220-F Recipient Graf, Thomas Uri https://edisondigital.rutgers.edu/document/CL220AAM https://edisondigital.rutgers.edu/document/CL220AAM --