Show giro lands mail on post office roof c N I 1 1 M 4 1 I 1 1 ti I 1 MM filk iff 14 1 V EA 60 A new chapter in air mail history was written in chicago as pilot johnny miller settled to the post office building root roof with his autogiro carrying pounds of mail from the municipal airport A feature of the program observing the twentieth anniversary of 0 air mail flight the demonstration showed the practicability of vertical landing and takeoffs take offs by means of the autogiro and the attendant saving saing in time |