"These figures are bound to be only approximate. but they show the g eral scale of the oil problem. Without bombing, the operation of total blockade must give the German High Command increasing concern. as the stocks are gradually exhausted. With bombing. the critical point may be reached much earlier.
"More far-reaching difficulties appear in the supply of metals. If the Germans could build a new transport system in Europe, and develop the full potentialities of all Europe's coalfields, then there would be no coal problem. But in many metals Euro-po's resources are very weak. Unlike the War of 1914-1918. this is not a steel war. This time it seems very unlikely that trench warfare develop on anything like the scale of 1914-18, This is a war of movement, and its decisive weapons are the aeroplane and the armoured vehicle, The significant metals are aluminium and special steels. rather than basic steel, and the significant industrial processes are those of precision engineering and electric power rather than those of heavy engineering.
Text read from the printed page and cleaned; old type leaves the occasional error.