1948 When you go to the zoo, the ‘Trade-Marks’ Of Nature… When you buy gasoline.. the Trade-Mark ‘Ethyl’ Published April 24, 2024 at 1540 × 1976 in Ethyl ← Previous Next → 1948 When you go to the zoo, the ‘Trade-Marks’ Of Nature… When you buy gasoline.. the Trade-Mark ‘Ethyl’ Source: Collier’s Magazine