[2] It differed from an ordinary chariot in that the two little fat hollow-backed horses, which are depicted as providing the motive power, were like the crew, enclosed within the wooden armour. [3] It appears to have been the Committee which investigated Mr. Diplock’s machine, with some additional members. [4] Although the appeal was necessarily tentative and unofficial, and no details of the nature of the work could be given, sixty women immediately volunteered. [5] Major Renouf. [6] Major Renouf. [7] Most of these Tanks were training machines, in the sense that their “armour” was boiler-plate instead of hardened steel. [8] Colonel Swinton. [9] Captain Henriques. [10] From _Weekly Tank Notes_, a confidential official periodical for private circulation. [11] _W.T.N._ [12] See Plate, Chapter VIII. (An unannotated air photograph of badly crumped ground.) [13] Among other Army Commanders was General Sir H. S. Rawlinson, who was later to be so good a friend to the Tanks. On this occasion, however, it is said that their performances left him completely cold and unconvinced. [14] Captain Henriques. [15] Sergeant Littledale of the Tank Corps writing in the _Atlantic Monthly_. [16] Sergeant Littledale of the Tank Corps writing in the _Atlantic Monthly_. [17] The progress of this decision has been slightly telescoped, the “operative” resolutions only being recorded, and the story of a good deal of proposal and counter-proposal omitted. [18] The list was as follows: _Chairman._--Major-General Sir J. Capper. _War Office._--Lieut.-Colonel Sir J. Keane. Lieut.-Colonel Mathew-Lannaw. _Ministry of Munitions._--Lieut.-Colonel Stern. Sir Eustace Tennyson d’Eyncourt. [19] Achicourt. [20] Letter from a Tank officer dated “April 9, evening.” [21] Letter from an eye-witness written on the evening of April 9. [22] The Harp. [23] Major Watson, the Tank Company Commander, writing in _Blackwood’s Magazine_. [24] “B” (2) Battalion History. [25] _W.T.N._ [26] Official paper. [27] Indirect fire may be defined as fire directed towards the spot where you believe the enemy to be. Fire is called “direct” when the target can be seen. [28] Mr. Buchan’s _History of the War_. [29] _W.T.N._ [30] Mr. Buchan’s _History of the War_. [31] _W.T.N._ [32] Sir Douglas Haig’s Despatch. [33] The size of these dumps was now always computed in “Tank Fills.” 1 fill consisting of: 60 galls. of Petrol. 10 galls. of Oil. 20 galls. of Water. 10 lb. of Grease. 10,000 rounds of S.A. Ammunition for a Female Tank, or 200 rounds of 6-pdr. Ammunition and 6000 rounds of S.A. Ammunition for a Male. [34] _W.T.N._ [35] 3rd Battalion History. [36] From Sir Douglas Haig’s Despatch. [37] From the History of 7th Battalion. [38] _W.T.N._ [39] _W.T.N._