Show AIR LINES OBSERVE MAIL ANNIVERSARY Paul F F. Keyser president of the chamber of commerce Saturday sent senta a aletter letter of congratulation to the officiaLs officials of the United Air Lines on the seventh anniversary of Americas America's first tb-st long-distance long air mail transportation tion service under private te operation It was at midnight June 30 1927 that single planes lef lefI Chicago Chicago Chi Chi- cago and San Francisco marking the turning over of the airplane operation operation opera opera- tion from the postoffice department to the Boeing division of what is now the United Air Lines Instead d of ot single 11 mile hour an-hour biplanes the route is now op op- crated with minute mile mul mul- ti-motored ti Boeing monoplanes |