Traffic on railway sidings is one guide as to the extent of the output but there are other ways of esti: ing whet is happening under roofs of industrial buildings, Entire industrial areas in many parts of Germany have been mapped out and constant reconnaissance keeps record of Germany's industrial effort up-to-date, The assessment of damage after raids is essentially the task for an expert, A factory, may be ruined and all its machinery. smashed. but from the air—there may. be nothing more to see than a hole in the roof—a hole not. larger than a pinhead in the. photograph. But the ínterprefer knows the size and type of bomb used from which daía he can calculate the extent of the damage once he is certain there has been a hit.
When the Von Tirpitz, sister ship of-the Bismarck, wag under. construction her whereabouts was disclosed by a photograph in which nothing, of the ship. but the, reflection of her superstructure in the water. was seen, The test of the vessel was hidden by a dark shadow bnt. it, was from that detail. that the shadow: could not belong, to any other. ship, Squadrons of R.A.F. planes in. the Army Ca-operation Command. are the eyes of the army. reporting enemy movements, concentrations and positions, On the skill end initiative of these pilots may depend the fate of armies.
Text read from the printed page and cleaned; old type leaves the occasional error.