1 page, 4to (9 7/8 x 7 7/8 in.), integral address leaf with panel in Fulton's hand, recipient's docket later. In very fine condition." /> FULTON, Robert (1765-1815), <I>inventor</I>. Autograph letter signed ("Robt Fulton") to Dr. [William] Thornton, head of the U.S. Patent Office in Washington; New York, 27 December 1807. <I>1 page, 4to (9 7/8 x 7 7/8 in.), integral address leaf with panel in Fulton's hand, recipient's docket later.</I> In very fine condition. | Christie's