Show USE ODOMETER TO CHECK GAS GA The odometer r side Ide of ot your our speedometer registering up to miles seldom Is used for tor any definite purpose It if you treat It ft as 3 does the average driver It can be a 11 handy guide In several days ays Since Sineo it ft can be bo set to remain stationary sta- sta stationary sta stationary It may be made to serve servias as a gasoline gauge or as a 0 warn warn- warnIng warning ing to change the oil For the former It If you know the approximate approximate approximate mate gas mileage you are arc getting It Is particularly handy hand For in In stance your car gives ls 20 0 miles to the gallon When you buy five gallons ot o of gasoline the odometer Is registering miles Sot the trip side of ot tho the odometer to re- re remain remain re remain main stationary at this figure When the register above Is show show- showing showing ing as aa the tho last three figures you will know five gallons more are needed |