[ Autograph ] Peter Cooper 1791-1883 American manufacturer and philanthropist, designer and builder of the first American locomotive Tom Thumb. he also backed Cyrus Field in laying the transatlantic cable. Attractive D.S., 1p. folio, New York, May 1, 1873, a certificate or diploma issued by Cooper Union and bearing a vignette of the school certifying that a student has passed a course in astronomy. Boldly signed, with a tiny corner chip at lower left not detracting from the piece.