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Show F I T!. W f O Any book you want fiyOIlC? -by mail, CO. D. Deserct Book Co., j 44 East o. Temple, Salt Lake City, Utah I 4!r3??srf The Truck Driver I believe Champion is the better spark plug because of the way Champions stand up in hard truck sendee. Champion is the betterspark plug because it has an exclusive silli-manite silli-manite insulator ape . cially treated to with- ,5. stand the much higher I 81 temperatures of the l modern high-compres fe?53 sion engine. Alsoanew aT'" patented solid copper ft? 1 gasket-seal thatremains ggjL Jf I absolutely gas-tight J under high compres- fe! "j sion. Special analysis y' '"yj-J I electrodes which assure jr a fixed spark-gap under "ff all driving conditions. Champion SparIPlugs Dependable fcr Every Engine For Mosquito Bites, Sting of Bees j end Venomous Insects ; HAN FORD'S BALSAM OF MYRRH &locey back for lirst botUo if Dot BnUcd. All dealer. W. N. U., Salt Lake City, No. 21-1928. |