Diary, initially in 2 Div, 11 Company on Western Front, near Zillebeke and Ypres in Belgium, Nov 1914; battle at Givenchy, 25 Jan and counterattack, 1 Feb 1915; description and sketches of attack on Germans, 6 and 14 Feb at La Bassee road, near Bethune; battle at Richebourge St Vaast near Neuve Chapelle, May; assaults at Rue du Bois and Ferme du Biez during May, with list of casualties within 11 Field Company, Royal Engineers. Appointed gas adviser, Apr. Final conference before first British use of gas, 18 Sep at Helfaut, with plan of proposed attack on 25 Sep at Loos. Description of gas attack, 25 and 27 Sep; assessment of the effect of the attacks; third gas attack, 13 Oct at Hulluch. Experiments with flame thrower and phosphorus smoke bomb, 15 Nov. Minor gas attacks on 20 to 22 Dec, near the La Bassee canal; demonstration of the Stokes Mortar and Livens Projector, 9 Feb at Wembley; visit to phosgene factory in Bois du Boulogne, 18 Feb and discussion in London with Du Cane on use of prussic acid and phosgene, 28 Feb; experiments, including those with Stokes Mortar in London, Apr and smoke demonstrations in May. Lectures in Aug, probably in Paris, on use and properties of gas. Attack at Hulluch using gas, 5 Oct; experiments in London, Nov on Stokes shells. Lists of photographs taken. 1 vol
