wood engravings Description of the American electro magnetic telegraph: now in operation between the cities of Washington and Baltimore: illustrated by fourteen wood engravings / by Alfred Vail By library.mit.edu Published On :: Sun, 12 Jan 2014 06:33:00 EST Archives, Room Use Only - TK5123.V35 1845 Full Article
wood engravings Description of the American electro magnetic telegraph: now in operation between the cities of Washington and Baltimore: illustrated by fourteen wood engravings / by Alfred Vail By library.mit.edu Published On :: Sun, 23 Mar 2014 06:15:10 EDT Archives, Room Use Only - TK5123.V35 1847 Full Article
