Ironic 1962 Advertisement by Humble Oil (now Exxon) in Life Magazine
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The text at the bottom reads:
"This giant glacier has remained unmelted for centuries. Yet, the petroleum energy Humble supplies – if converted into heat – could melt it at the rate of 80 tons each second! To meet the nation’s growing needs for energy, Humble has supplied science to nature’s resources to become America’s Leading Energy Company. Working wonders with oil through research, Humble provides energy in many forms – to help heat our homes, power our transportation, and to furnish industry with a great variety of versatile chemicals. Stop at a Humble station for new Enco Extra gasoline, and see why the “Happy Motoring” Sign is the World’s First Choice!"
