Headfort House; Ireland: Section of the Staircase; Robert Adam; 1728-1792; British; between 1771 and 1775; Graphite; gray wash; pen and black and brown ink on medium; slightly textured; cream laid paper bar scale given; Sheet: 21 1/4 x 14 5/8 inches (54 x 37.1 cm); architectural subject; balustrades; doors; festoons; Neoclassical; rosettes; satyrs; sphinx; staircases; stairs; urns; Headfort House; Ireland; Kells