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188 effect of such work on young pilots and aviators and partly because the supply of trained men and of machines was no more than sufficient for the direct purposes of this arm of the Forces. The representative of G.H.Q., France, said that the British Army had accepted this view. He added that balloons could be employed on the Western Front three days a week on the average, and that there was no mechanical reason why the method by balloons could not be increased to meet every reasonable requirement.

A French representative in the course of a discussion as to the utility of throwing some leaflets in bombing expeditions, reported the opinion of a well-known pro-ally German citizen that in the case of the Rhine towns and rich cities of Germany the propaganda of fear, that is to say, the actual dropping of bombs, was more useful than the dropping of literature.

It was agreed that the suggested use of aeroplanes to scatter leaflets at great heights parallel with the enemy lines encountered most of the objections to, and none of the dangers of, their direct use by crossing the lines. A device which had been worked out experimentally in England, but was not employed because of the danger it might