Url https://edisondigital.rutgers.edu/document/Z100AN Resource class dctype:Text Title [Z100AN], Letter from Henry Fischer (British Telegraph Service) to Frank Ives Scudamore, June 20th, 1870 Creator Fischer, Henry, (British Telegraph Service) Subject Testing and quality control Automatic telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1870-06-20 Type Letter Identifier Z100AN Relation Wheatstone, Charles Rights BT Archives Date Created 1870-06-20 Is Part Of Z100-F Recipient Scudamore, Frank Ives Uri https://edisondigital.rutgers.edu/document/Z100AN https://edisondigital.rutgers.edu/document/Z100AN --