I

I dedicate this book to the modern military scientists, that small company of gentlemen who, imbued with a great idea, were willing to set all personal interest aside in order to design a machine destined to revolutionise the science of war.

II

I dedicate this book to the modern armourers of the British factories, those men and women whose untiring patriotism and indomitable endurance in the workshops produced a weapon whereby the lives of many of their comrades were saved.

III

I dedicate this book to the modern knights in armour, the fighting crews of the Tank Corps; those Officers, Non-commissioned Officers and Men, who, through their own high courage and noble determination on the battlefield, maintained Liberty and accomplished Victory.