Ottmar Mergenthaler

["Biography" "History" "Inventors" "Linotype" "Printers" "Biography: general" "Technology: General Issues" "Typography" "United States" "Biography/Autobiography" "Mass Media - Newspapers" "Biography & Autobiography" "Biography / Autobiography" "Historical - U.S." "Business" "Mergenthaler Ottmar" "19th century" "Mergenthaler Ottmar " "Historical - General" "1854-1899"]