Url https://edisondigital.rutgers.edu/document/X156HD Resource class dctype:Text Title [X156HD], Letter from Thomas Alva Edison to Jeffrey Patrick Buchanan, December 1924 Creator Edison, Thomas Alva Subject Testing and quality control Cement Disc record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1924-12-00 Type Letter Identifier X156HD Relation Blinne, Frederick George Rights Barbara Werle Is Part Of X156-F Recipient Buchanan, Jeffrey Patrick Uri https://edisondigital.rutgers.edu/document/X156HD https://edisondigital.rutgers.edu/document/X156HD --