[Insert: typescript enemy intelligence summary – translated extract] of assembly during the night. They all formed up in the dark with their infantry behind them about 1000 yards from enemy trenches. It was considered unwise to assemble them closer than this in case the Germans should hear the noise of the engines. The concentration of tanks & infantry was completed up to time & all batteries had a full supply of ammunition in their magazines. Transport & ammunition limbers were moved up during the night so as to be in readiness to follow up the next day without delay. The Germans shelled certain portions of the British line heavily during the night but no shells fell on the 20th Division front. 20 November 1917At Zero -10 minutes the tanks started (zero hour was at 6.20am) and at zero the artillery fire began. This gave the tanks & the