In 1945 she painted Switch Works at Ellison Switchgear in Birmingham. This was followed by paintings of operations at the Dow Mac concrete railway-sleeper works and at the Skefko ball bearing factory. In 1946 she visited Germany under the auspices of the Nuremberg war crimes trials where she painted The Nuremberg Trial. The painting returned to Newport in 2006 for display as part of a project recording the recollections of women who had worked at the Royal Ordnance Factory. Throughout 2013 and 2014 the painting was lent by the Imperial War Museum for display at the National Portrait Gallery, London, and then at the Plymouth City Museum and Art Gallery, as part of the Laura Knight Portraits exhibition. As at , the painting is held in the Imperial War Museums' collection. See also Canary Girls, British women who worked in munitions Women in the workforce Women in the World Wars Bomb Girls Notes and references Notes References Sources Books Journals and magazines News Websites External links Ruby Loftus Screwing a Breech-ring on Google Arts & Culture. Warwork News, reel 22, Loftus at the Royal Academy Summer Exhibition. 20th-century portraits 1943 paintings British women in World War II Paintings in the collection of the Imperial War Museum Cultural history of World War II Paintings by Laura Knight Portraits of women United Kingdom home front during World War II War paintings Women in the United Kingdom Cultural depictions of British women