National Geographic : 1941 Oct
k I I1 A' I.IUI GET 20%TO 35% MORE MILES BY USING UGoodrich $eau-oatlc InnerTubes A PRIVATE OWNER estimates at least 50% more mileage from his tires when using Seal o-matic inner tubes. A taxi operator figures 34.6% more tire mileage for his whole fleet. These statements show you how Seal-o-matics will give your tires more mileage and in addi tion these tubes will often outlast several sets of ordinary tubes. Besides making your tires last longer, Seal-o-matics give you 2-Way Safety-maximum protection against the ever fearful dangers of blow-outs and flat tires; pro tection that you owe yourself and your family. Get this 2-Way Safety that saves you money ... buy Seal-o -matics today. Amazing true experi ences quoted, with names and addresses, in lat est Seal-o-matic booklet...write for it: to The B. F . Goodrich Company, Akron, O., Dept. G3. SEAL-O-MATIC ' INNER TUBES For Passenger Cars-for Light and Heavy Trucks SPECIAL 2-WAY SAFETY MEANS MAXIMUM PROTECTION AGAINST FLATS AND BLOW-OUTS BOTH GENERAL ELECTRIC X-RAY of tire and Seal-o-matic Tube that lost no air in spite of spikes, nails and screws driven all the way in Nailswere pulled out two days later-tire still stood up.The "Self Healing" lining ... SEALSWITHNAILIN HEALSWITHNAILOUT- HEALSEVENBIGRIPS THATCOULDMEAN "BLOW-OUTI" Users send in photos like this-tire slashed clear into Seal-o-matic Tube, yet holding its air-safe! This tube is toughened, made extra heat-resistant with Duramin. like Goodrich Silvertown Tires-built round instead of flat. not stretched and weak ened by air pressure. "Mention the Geographic-It identifies you."