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The national flag of the United States, often referred to as the American flag or the U.S. flag, consists of thirteen horizontal stripes, alternating red and white, with a blue rectangle in the canton bearing fifty small, white, five-pointed stars arranged in nine offset horizontal rows, where rows of six stars alternate with rows of five stars.
A "barber's pole" with a helical stripe is a familiar sight, and is used as a secondary metaphor to describe objects in many other contexts. For example, if the shaft or tower of a lighthouse has been painted with a helical stripe as a daymark, the lighthouse could be described as having been painted in "barber's pole" colors.
A Fresnel lens can also capture more oblique light from a light source, thus allowing the light from a lighthouse equipped with one to be visible over greater distances. The first Fresnel lens was used in 1823 in the Cordouan lighthouse at the mouth of the Gironde estuary ; its light could be seen from more than 20 miles (32 km) out. [ 18 ]
The stars are inside a blue block on the top left corner of the flag. Again, there isn't an official meaning behind the flag's colors, but PBS states that "blue represents vigilance, perseverance ...
Flag Day marks the day, 246 years ago, when Betsy Ross' creation of the Stars & Stripes as our national American flag. Here's how to display a U.S. flag.
Cape Hatteras Light is a lighthouse located on Hatteras Island in the Outer Banks in the town of Buxton, North Carolina and is part of the Cape Hatteras National Seashore. [2] [3] [4] It is the tallest lighthouse in the U.S. from base to tip at 210 feet. The lighthouse's semi-unique pattern makes it easy to recognize and famous.
The light pink and blue stripes on the flag represent the two colors society has traditionally associated with girls and boys, with a white line to represent individuals who are intersex ...
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 ...