Show I CHEAP RESBY RATES BY I AtE AIR MAIL I CHICAGO Aug Au For 18 It 16 For For five days das beginning Tuesday Chicagoans a will Ill able abl to send a letter for 1 two cents centa cent by air mall mail to San Fran Fran- Francisco Fran 1 Cisco the d department I announced d here tonIght After this experimental period a sliding 8 ale of ot rates will become I effective Mall Mail It lIS to be carried by air between New York CI Cleveland Chicago Oman Omaha Che enne Salt Sail Lake and San Francisco Francieco |