Swakeley House; Middlesex; Charles Tomkins; 1757-1823; British; undated; Watercolor and pen and black ink on medium; slightly textured; cream wove paper; Sheet: 8 7/8 x 9 5/8 inches (22.5 x 24.4 cm); architectural subject; Artisan Mannerist; figures (representations); grass; greenhouse; houses; park (grounds); trees; windows; England; Europe; Hillingdon; Ickenham; United Kingdom