CHAMBERLAIN, John. Original Designs ... in His Majesty's Collection, London: W Bulmer, 1797-1812, 2 parts in one volume, 2° (550 x 370mm.), 73 engraved and lithographed plates after Leonardo da Vinci and others on 67 leaves (lacks hand-coloured frontispiece, occasional spotting), disbound. Sold not subject to return.