Url https://edisondigital.rutgers.edu/document/D8939ABA1 Resource class dctype:Text Title [D8939ABA1], Letter from Philip Sidney Dyer to Francis Robbins Upton, March 1889 Creator Dyer, Philip Sidney Subject Sales and service Contracts and other legal concerns Incandescent lamp Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1889-03-00 Type Letter Identifier D8939ABA1 Source 126:505 Relation Edison and Swan United Electric Light Co Ltd Edison, Thomas Alva Rights Thomas Edison National Historical Park Has Version https://archive.org/details/edisonmicrofilm126/page/n514/mode/1up Archive.org Viewer, Microfilm Series Reel 126 Is Part Of D8939-F Recipient Upton, Francis Robbins Uri https://edisondigital.rutgers.edu/document/D8939ABA1 https://edisondigital.rutgers.edu/document/D8939ABA1 --