WILLIAM W. GULL(1816 - 1890) British Royal Physician strongly suspected to have been the infamous "Jack the Ripper". A.L.S. 1p. sm. 8vo., London, June 25, 1885, on his Grosvenor Square letterhead to "Merriman", in part: "...I hope you may find this...instrument. It needs a special schooling...". Fine.