Study for the Bridge over the Arras-Lens Railway (pencil, chalk & w/c on paper )

A squared up preparatory drawing for John Nash's painting 'The Bridge over the Arras-Lens Railway'. A view of the arched bridge over the Arras-Lens railway. A line of British infantrymen walk along the railway line, with another line of men walking along a track up the steep cliff face on the left, some carrying sections of corrugated iron. Two carriages of a hospital train are visible on the tracks in the lower foreground. There are two shell explosions in the top left and anti-aircraft fire in the sky above. Support: Height, 358, mm; Support: Width, 409, mm; Mount: Height, 556, mm; Mount: Width, 598, mm