Show I 1 I Ao Airplanes I anes a D Day ay I i i r i 1 NOTHER indication of the tremendous extent to which the aviation industry is is 1 t expected to develop in the near future can cah b be been seen en in action taken at the re recent ent convention o P the airport section of the Aeronautical i l Ch Chamber of Commerce T ip-C ip This 1 This hi organization that all alf f cities of 1 persons or cit or more must build t t S their thir their airports so as to be able to handle a 1 traffic fr of at least 00 a a aday day This 7 v sho should ld int interest rest Salt Lake officials In addiS addi- addi S V tion fion it it was wa estimated d that a at least ao- ao 4 V will wll be spent on airports in the f United States States' this year fe Fj Figures ures such as as these show how how- avi aviation tion is progressing At pres present nt only Chicago A e the loo planes per day figure If the th small cities cities' are arc to to attain this level soon soon- and the industry's leaders leader believe they will will will- the business of aviation will have to exp expand nd to t to many times times- its present size 1 5 I |