Url https://edisondigital.rutgers.edu/document/Z100BS Resource class dctype:Text Title [Z100BS], Letter from Richard S Culley to Frank Ives Scudamore, February 19th, 1873 Creator Culley, Richard S Subject Testing and quality control Multiple telegraphy (duplex, quadruplex) Automatic telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1873-02-19 Type Letter Identifier Z100BS Relation Western Union Siemens, Werner von Little, George Gouraud, George Edward Bain, Alexander Rights BT Archives Date Created 1873-02-19 Is Part Of Z100-F Recipient Scudamore, Frank Ives Uri https://edisondigital.rutgers.edu/document/Z100BS https://edisondigital.rutgers.edu/document/Z100BS --