I INIM IT IT TO LETE AMBULANCE DRIVER. TELLS HOW NE a LEARNED T0 INSIST 0N it-PRESTONE” ANTI-FREEZE Walter Darwin, independent ambulance operator of Toronto, Ontario, learned the hard way that there is no sub- stitute for ”Prestone" Brand Anti-Freeze. T Says Walter Darwin: 'One bitter night four years ago on the way to an accident I had one of those fjust as good' anti-freezes boil over. I had to stop and phone another ambu lance to make the call. That cured me! There just isn't any - other anti-freeze that gives - the same complete protection ' as ”Prestone" Brand. Ever since that night I've used ' "Prestone” Anti-Freeze and no matter how cold it gets, Ilive never had trouble.' Qeg ' 52!! am! Quasi Mo re at Anti-F reeze Lost Through Foaming Than From Evaporation It is a popular misconception high speed driving when air among drivers. that evapora- mixes with the solution at high tion is the only cause of loss of circulating speeds. The trapped O anti-freeze solution. The fact air takes up space and in- . of the matter is that overflow creases the volume of the mix- E E. GIVE IENII WINTER PROTECTION! "Prestone ” Anti-Freeze gives Extrui protection against winter engine enemies If freeze-up were the only prob.lem connected with winter driving the answer would be very simple. As a matter of fact there are many fluids, solutions and chemicals which either by themselves or when added to water will resist freezing at low temperatures. Many of these substitutes for ' . a scientifically compounded anti-freeze have been tried . . . nearly always with disas- trous results to the car engine. Many of these make-shift Tlvereis Nothing Else like It! anti-freezes resulted in cor- roded, rusted and clogged cooling systems. Others boiled over, evaporated and foamed, causing serious engine damage. No such problems worry the driver who uses ”Prestone” Brand Anti-Freeze. Product of this country's largest, most completely equipped automo- tive'cooling system laboratory, ”Prestone" Anti-Freeze has proved itself over millions of miles of driving under the most extreme winter conditions. "I" : '9 CI: & -n H1 3 ii i i ANII ens MILEAGE, ”Prestone” Brand Anti-Freeze -the most effective anti-freeze ever developed for automotive cooling systems-is fortified with a combination of special ingredients to give much more than just freeze-up protection. "Prestone" Anti-Freeze gives car engines extra protection against rust, corrosion, acid contamination, clogging, seep- age, foaming and deterioration of metal and rubber parts. No other anti-freeze can give the same comnlete protection. RADIATOR RADIATOR PRESSURE CAPT FAN LJPPER HOSE CONNECTION WATER PUMP THERMOSTAT LOWER HOSE CONNECTION CRANKCASE Fourteen Special Ingredients make "Prestone" Anti-Freeze A Different from Any Other the original tone-shot' anti- Anti-Freeze has kept pace shown by the overwhelm- freeze that is still ahead of the field. As automotive engines have improved, ”Prestone” through continued research, ing public preference for development and testing. ”Prestone” Brand Anti-Freeze Proof of! performance is over all other anti-freezes. This cutowoy view of x an automotive engine a shows the vitally important role of the cooling system In winter, 150-160 degree ther- use thermostats opening at 180 mostats do not permit car degrees. The results of using engines -to operate at tempera- tures required for maximum efficiency. Cold running engines develop oil sludge, carbon de- posits and sticky valves. Because ”Prestone” Brand Anti-Freeze does not boil or foam at high engine operating temperatures it is possible to ”Prestone” Anti-Freeze with a high opening temperature ther- mostat are tangible indeed. There is a definite reduction in oil sludge, carbon deposit and engine - wear. The engine operates with greater eliiciency and delivers more rriiles per gallon of gasoline. Is Your Car Less I mam-up omv HALF THE HAZARD IINOIIEASES ENGINE EFFICIENCY , "PRESTONE" ANTI-FREEZE PROTECTS AGAINST RUST, CORROSION, .FOAMlN'G AND ACID CONTAMINATION Made from a formula with fouiteen special ingredients, "Prestone" Brand Anti-Freeze gives the extra protection that makes it dilierent and superior to any other anti-freeze. "Prestone" Anti-Freeze is 4 Than 8 Years Old? Registered vehicles produced horsepower; high speed heat and pressure build-up on during the last eight years rep- engines; high compression the anti-freeze solutions. resent more than 50'Z, of all ratios; radiator pressure ”Prestone" Brand Anti- cars in service. The newly de- caps-these and other refine- Freeze has demonstrated under signed engines in modern ments combine to place tri-- the mostsevereconditionsthat vehicles afiect anti-freeze solu- mendous loads on cooling it gives complete protection to tions in many ways. Increased systems. The result is increased the most modern car engines. formation for a lull winter; also that . SOLD ONLY IN GANS BEARING BRAND NAME "PRETONE" loss through foaming of as ture until some offit goes out much as a half-gallon of solu- the overflow pipe. tion per thousand miles of Although itisaserious prob- driving can be caused by an Iem with some anti-freezes anti-freeze thattraps and holds there is no foaming problem air in solution; with "Prestone" Brand Anti- Foaming loss occurs during Freeze. 'i T I-27212 1457: Wake? I v MISS Notional CIITIWII I'i"md gum bird uuonllni I” "Md ii I! nmlwmortwlm M" ' "Prostono" Brand ”"I'm'"' ii mtlonsy will mlilli Wm" 0' V"! ml and IIOOIIW I""' H" In a no protect the against Inotlnl or rubber IN?" "I N" "0"" wind. ' ' . .. - and that It will unlock Wt 0I""I' " Unwary car owners are often Mm...” ..osglItII"I'I"""" deceived by claims that such In" and such an anti-freeze is fjust the same' as ”Prostone" Brand . The truth is that ”I'restone" Brand Anti-Freeze is made only by National Carbon Limited who make no other brand of all-winter anti-freeze. Drivers should insist on and get "Prestone" Brand Anti- Freere. It is sold everywhere in - lll?FS NU BIIIIAWAY ALL-WINTER I ITRESTONIE HNKNII . g . ' ALL-WEATHER GUARANTEE '"3"" 0" . A and Got The guarantee shown here appears on every E" can sold. No other anti-freeze is backed by this , T ' ' ,- h . '-f ' ' , ,, , . ' W mmggergplgtz ;::of:c::':It: New can give the -"Prtmans' cm! Ecverean'y' are regurrred trade-mark: of I ' ' ' 1 NATIONAL CARBON LIMITED . , . X g . ' tg i - , 4 MDNTIIAL TORONTO wmouno ml." 1 ' lg L .1 s. .g,..”gL.Z .- . A...” sit”-'f!p?4