National Geographic : 1939 Mar
0.,.l.lli.^ ll.ll. , Million 15" Seventy million times a day the public tests the quality of Bell System service. The measure of this service is not only its promptness, reliability and low cost. It is also the courtesy with which it is given. Our genuine desire is to make the Bell System a friendly and helpful institution . . .and to give you the best, the most and the cheapest telephone service in the world. BELL TELEPHONE SYSTEM Tou are cordially invited to visit the Bell System exhibit at the New York World's Fair PRESS OF JUDD & DETWEILER, IN WASHINGTON, D. C.