Architectural Study; Thomas Daniell; 1749-1840; British; active in India; William Daniell; 1769-1837; British; undated; Graphite on medium; moderately textured; cream; laid paper; mounted on moderately thick; slightly textured; cream; wove paper; Sheet: 7 3/16 x 14 5/16 inches (18.3 x 36.4 cm) and Mount: 8 1/4 x 15 3/8 inches (21 x 39.1 cm); architectural subject; architecture; building; columns; study (visual work); windows