Preparing Itself for Commercial Domination of the Air 



most directly between New York and San Francisco is the Woodrow Wilson 

 Air Highway. Branch air highways connect all principal cities of the country. 

 Will this map be a network of lines in a few years, with commercial air- 

 planes flying at two thousand feet, great express machines flying at four thou- 

 sand feet and military and police planes flying at about six thousand feet? 



271 



