Tank training : Volume II-Part III: Pamphlet No. 3: 5-in. vickers machine guns marks IV and II Tank training : Volume II-Part III: Pamphlet No. 2: 303-in., vickers machine guns, Marks VI, IVa, IVb, and I Tank training : Volume II-Part III: Pamphlet No. 5: 5-in. vickers machine gun, Mark V Tetrarch light tank / Vickers-Armstrongs Limited . Chertsey Works Royal armoured corps : weapons : Infantry tank, mark II (A 12), armament 2-Pr. gun mark IX or X and Co-Axially Mounted : 303-in : … afv Mediums Marks I-III / by N.W. Duncan