Show giro lands mail on post office roof tr Z v I 1 i alt 4 3 i 1 11 31 01 t I 1 t 1 1 wa t PEI a I 1 is Is 00 A new chapter in air mail history was written in chicago as pilot johnny miller settled to the post 0 office mee loading roof with his autogiro carrying pounds of mail from the ala municipal airport A feature of the 4 lm gram observing the twentieth anniversary c ar mail night flight the demonstration showed the practicability of Yer vertical landing and takeoffs take offs by means of the autogiro auto siro and the attendant saving in in time |