AIRCRAFT OF TODAY - A POPULAR ACCOUNT OF THE CONQUEST OF THE AIR BY CHARLES C. TURNER AVIATOR amp AERONAUT, LIEUTENANT, R.N.V.R. 1917 PREFACE Several years ago I wrote my first book on aerial navigation, and although at that time few people believed that either aeroplanes or airships would ever be of much use, the subject was sufficiently " in the air " to justify the publication of the volume, which, indeed, proved a very gratifying success. To-day the situation is very different. The Great War has proved the reality of the conquest of the air. Many authorities believe that the air will be the principal battlefield of the future, and that the aerial arm will be the first line of defence for Great Britain. This, however, is perhaps an exaggerated idea. Hitherto known as the " Fifth Arm," the time has come for this branch of the country's defences to take its place as one of the leading military services. Whatever view is taken of these questions, there is no gainsaying the...

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