Keywords: Jacob Isaacksz. van Ruisdael - Two Watermills and an Open Sluice near Singraven - WGA20466.jpg between 1650 1652 Oil on canvas size cm 87 3 111 5 Institution National Gallery London object history credit line accession number WGA link 20466 http //www wga hu/art/r/ruysdael/jacob/1/2watermi jpg http //www wga hu/html/r/ruysdael/jacob/1/2watermi html PD-old-100 painting landscape Dutch 1651-1700 Landscape paintings by Jacob van Ruisdael 1650 Paintings of waterworks by Jacob van Ruisdael 1650 Dutch Golden Age paintings in the National Gallery London Ruisdael Jacob Isaacksz van 17th-century oil on canvas paintings in the United Kingdom WGA form painting WGA type landscape WGA School Dutch WGA time period 1651-1700 Watermills in art Paintings of men at work 1650 paintings 1651 paintings Paintings of buildings Singraven Paintings by Jacob van Ruisdael in the National Gallery London |