Chatham Light
Encyclopedia
Chatham Lighthouse, known as Twin Lights prior to 1923, is a lighthouse in Chatham, Massachusetts
Chatham, Massachusetts
Chatham is a town in Barnstable County, Massachusetts, United States, Barnstable County being coextensive with Cape Cod. The population was 6,625 at the 2000 census...

, near the "elbow" of Cape Cod
Cape Cod
Cape Cod, often referred to locally as simply the Cape, is a cape in the easternmost portion of the state of Massachusetts, in the Northeastern United States...

.

The station was established in 1808, the second light on Cape Cod
Cape Cod
Cape Cod, often referred to locally as simply the Cape, is a cape in the easternmost portion of the state of Massachusetts, in the Northeastern United States...

. To distinguish it from Highland Light, the first Cape Cod light, and to act as a range
Leading lights
Leading lights are a pair of light beacons, used in navigation to indicate a safe passage for vessels entering a shallow or dangerous channel; and may also be used for position fixing. At night, the lights are a form of leading line that can be used for safe navigation...

, twin octagonal 40 ft (12m) wooden towers were built. They were on skids so that they could be moved to keep them in line with the entrance channel as it shifted. Samuel Nye was appointed as the first Keeper of the Chatham Lights by President Jefferson
Thomas Jefferson
Thomas Jefferson was the principal author of the United States Declaration of Independence and the Statute of Virginia for Religious Freedom , the third President of the United States and founder of the University of Virginia...

 on October 7, 1808.
  • 1841 The wood octagons were replaced with 40 ft (12m) brick towers
  • 1857 Fourth order Fresnel lens
    Fresnel lens
    A Fresnel lens is a type of lens originally developed by French physicist Augustin-Jean Fresnel for lighthouses.The design allows the construction of lenses of large aperture and short focal length without the mass and volume of material that would be required by a lens of conventional design...

     installed.
  • 1879 Current structures, of brick lined cast iron, were built.
  • 1923 Northern tower of the pair was moved roughly 12 miles north to become Nauset Light.
  • 1939 Chatham Light, which had been kerosene fueled since 1882, became electric.
  • 1969 Fresnel lens was replaced with a Carlisle & Finch
    Carlisle & Finch
    Carlisle & Finch is a producer of nautical equipment and searchlights, and the inventor of the electric toy train. It is headquartered in Cincinnati, Ohio.-History :...

     DCB-224
    DCB-224
    The model DCB-224 is a high-power spotlight designed and built by Carlisle & Finch. Originally intended for use use as an aero beacon, it was also widely used in marine lighthouses....

     rotating light generating over 2.8 million candlepower.
  • 1969 Lantern replaced
  • 1982 Automated, now one of the few lights that operates 24 hours a day.


Today, the former keeper's house is an active U.S. Coast Guard station, and on-duty personnel living quarters. Search and Rescue, maritime law enforcement, and Homeland Security missions are carried out here. Flotilla 11-01 of the U.S. Coast Guard Auxiliary operates from this station.

Chatham Light was added to the National Register of Historic Places as Chatham Light Station on June 15, 1987, reference number 87001501.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK