id author title date pages extension mime words sentences flesch summary cache txt 30047 Abbot, Willis J. (Willis John) Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons .txt text/plain 118630 6060 71 The great measure of success won by the German submarines and the German submarines the war would have ended in the victory of the Great numbers of his machines were built, especially after the war Russian submarine by bombs dropped by German naval aviators near no more be used by German torpedo boats and submarines. means easy as volunteers to go below the water in a submarine boat character of the men who command the German submarines to-day. designs for a submarine boat to be built by the United States and 1911 all the United States submarine, boats were of the Holland From this boat to the modern German submarine was indeed a long step of the war the Germans have built even more powerful submarine boats The submarine boat of to-day, in order to do its work promptly and air the aviator can readily see a submarine at a depth of fifty feet ./cache/30047.txt ./txt/30047.txt