Differences between corn and unicorn, brought to you by Ethyl

On the Vintage Ads LJ group, the infinitely amazing Man Writing Slash posts a collection of Ethyl gasoline ads from 1950-1952 that emphasize the advantages of leaded gasoline through humorous graphic comparisons -- a kind of precursor to today's HSBC "We see the world differently" ads.

18 Ethyl Gasoline Ads "-- and there is a powerful difference, too,..."