Photograph by Clay Perry Continuous Drawing project by Tjebbe van Tijen -  London  1966   From 13 April 2012 at the Gallery's new location in central London: 90-92 Great Portland Street W1W 7NT   Tel 020 7436 1873 Opening Hours: Tuesday - Friday 11am - 6pm   Saturday 1pm - 5pm Wandering Lines ii : From Automatic Drawing to Abstraction   Artists page: Select Contemporary or Modern British/Post War