Ap11il 15, 1927 WILMETTE LIFE ~· .. ~·- . . ,. ~~ . . . A Half Gallon of will be given without charge to every motorist having the oil in the .crankcase changed at the SHELL MotorOil~ OPE SERVICE Tower ~-------~ the NeW STATIONS Located a t - - - - - - - - - - - - - - - - - - , Sherman 8 Greenwood EVANSTON Linden WINNETKA Offer good only during week April 16th to 23rd - - - - - - - Take advantag~ of this opportunity to get acquainted witb Shell Quality - and Shell Service. · ' No matter what gasoline or motor oil you have been usingt a single trial will convince that it pays to .. Change to Shell." Better-costs no more. NOW) c1 ROXANA PETROLEUM CORPORATION Shell Building Shell Corner St. Louis, Mo.