A Rowing Boat at Twickenham; John Linnell; 1792-1882; British; undated; Black chalk and white chalk on moderately thick; slightly textured; light blue wove paper; Sheet: 8 3/8 x 11 1/2 inches (21.3 x 29.2 cm); barrels; boat; moored; mooring; net; oars; reflection; river; rowboat; England; Europe; Greater London; Thames; Twickenham; United Kingdom