Moonlight towers: light pollution in the 1800s - LOW-TECH MAGAZINElowtechmagazine.com/2009/01/moonlight-towers-light-pollution-in-the-1800s.html
At the end of the 19th century, many towns and cities were lit up by powerful electrical lamps placed on towers up to 300 feet (90 metres) high. The arc lamp - the first electric light and the predecessor of Edison’s incandescent light bulb - was extremely bright and much more energy efficient than other lighting technologies from those times. The lamps were too strong for indoor use, but they were regarded as the future of municipal lighting. Especially in the United States, many ci...
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