Macbeth and Banquo on the Heath; George Fennell Robson; 1788-1833; British; ca. 1830; Watercolor with gouache and scraping over graphite on moderately thick; slightly textured; cream wove paper; Sheet: 7 1/2 x 10 3/8 inches (19 x 26.4 cm); armed forces; army; battlefield; beards; clouds; crows (birds); dresses; flags; gallows; generals; heath; hills; landscape; lightning; literary theme; Macbeth; Act I; Scene III; men; meteorology; night; plays by William Shakespeare; road; rocks (landforms); scarves; science; snake; spears; staffs (staff weapon components); storm; tree; troops; walking; waving; women; Forres; Scotland; United Kingdom