Reverend Calvert Richard Jones, ‘Study of the Spires of Lichfield Cathedral’, 1845-1850, National Gallery of Art, Washington, D.C.
image: 17 x 22.2 cm (6 11/16 x 8 3/4 in.)  sheet: 19 x 23.6 cm (7 1/2 x 9 5/16 in.)