Show KNOX WANTS AIRPLANE MODELS secretary of the navy knox has asked the high school youth of the nation to build aircraft models for the armed forces he said that the navy and army urgently needed models of each of 50 different types of fighting planes to train personnel in aircraft recognition and range estimation in gunnery practice he added that the models would also be important in training civilians in aircraft recognition the bureau of aeronautics is preparing plans and specifications which will be distributed throughout the country to high school students the first sets of drawings drawing were to be in the hands of cooperating schools by february 23 the models will be built on a precise scale of I 1 to 72 one inch representing 6 feet |