World War I: German retreat & Battle of Arras

Parts 1, 2, and 3. World War I scenes. (Double Intertitles: German and French) "2me partie" [Part 2]. Artillery at Mons front (British). Arras railway station, heavy damage. Three soldiers smoking. [Part 3] Battalion of London Stock Exchange en route to Arras. German prisoners carry wounded Brits on stretchers. Long, close to camera. Germans in both caps and helmets. Up and past camera (to left). Other stretchers in background. Rough, wet, muddy ground. Difficult work of Sam ..... in trenches. Trenches and explosions. Artillery fire. Distant fog. Explosions at horizon (strange effect on film). Men hurrying back towards trench and camera (overexposed).