National Geographic : 1941 Jun
Petroleum Serves-From Lamps to Wheels Mother Sews by Lamplight, Awaking Fond Memories to Millions! From pine knot to tallow dip, candle, whale oil, and kerosene-that was the story of light till gas and electricity came. One big oil company gave lamps free, in China, to boost kerosene sales. Despite today's wide use of electricity, two million U. S. homes, even some in New York City, are still lit by kerosene lamps.