each time so many were gassed in spite of masks. Being heavier than air, it collects in cellars where our boys were sheltering from shell fire.
19th On gas guard. Our planes went over in relays and bombed the bosch. When they were finished he did ditto. 6 bombs landing round our dugouts, scattering dirt all round us. Then they put about 20 shells round us one landing about 3? from the head of a dug-out.
(Reverse book & continue)