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The history of street lighting in the United States is closely linked to the urbanization of America. Artificial illumination has stimulated commercial activity at night, and has been tied to the country's economic development, including major innovations in transportation, particularly the growth in automobile use. [1]
Leading lights, also known as range lights in the United States, are a pair of light beacons used in navigation [2] to indicate a safe passage for vessels entering a shallow or dangerous channel; they may also be used for position fixing. At night, the lights are a form of leading line that can be used for safe navigation. The beacons consist ...
With landmarks of a range illuminated with a set of fixed lighthouses, nighttime navigation is possible. Such paired lighthouses are called range lights in North America and leading lights in the United Kingdom. The closer light is referred to as the beacon or front range; the further light is called the rear range.
United States historic place Star-Spangled Banner Flag House U.S. National Register of Historic Places U.S. National Historic Landmark Baltimore City Landmark Star-Spangled Banner Flag House in 2011 Location 844 East Pratt Street at Albemarle Street, Baltimore, Maryland, U.S. Coordinates 39°17′14.7″N 76°36′11.7″W / 39.287417°N 76.603250°W / 39.287417; -76.603250 Built ...
An Ottoman heliograph crew using a Blinkgerät (left) Begbie signalling oil lamp, 1918. Signal lamps were pioneered by the Royal Navy in the late 19th century. They were the second generation of signalling in the Royal Navy, after the flag signals most famously used to spread Nelson's rallying-cry, "England expects that every man will do his duty", before the Battle of Trafalgar.
U.S. Light House Service Stop Watch (ca. 1931) – specially manufactured by the Gallet Watch Company for USLHS use.. The United States Lighthouse Service, also known as the Bureau of Lighthouses, was the agency of the United States Government and the general lighthouse authority for the United States from the time of its creation in 1910 as the successor of the United States Lighthouse Board ...
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