Volume 11 , Issue 39

1880 - Energy

Thomas Edison's 1879 incandescent bulb was patented.

All of Wabash, Indiana, was lighted by electricity in an April demonstration of the Brush arc-light system and a mile of New York's Broadway was illuminated by Brush arc lights December 20, 1880.

Wood remained a major source of energy in the United States, but use of firewood began to decline.
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