Url https://edisondigital.rutgers.edu/document/D8905ACL Resource class dctype:Text Title [D8905ACL], Letter from Charles Ainsworth Spofford to Samuel Insull, March 29th, 1889 Creator Spofford, Charles Ainsworth Subject Patent assignments, licenses, and royalties Railroads and transportation Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1889-03-29 Type Letter Identifier D8905ACL Source 125:208 Rights Thomas Edison National Historical Park Date Created 1889-03-29 Has Version https://archive.org/details/edisonmicrofilm125/page/n217/mode/1up Archive.org Viewer, Microfilm Series Reel 125 Is Part Of D8905-F Recipient Insull, Samuel Uri https://edisondigital.rutgers.edu/document/D8905ACL https://edisondigital.rutgers.edu/document/D8905ACL --