Fourteen Foot Bank Light
Encyclopedia
Fourteen Foot Bank Light is a lighthouse
Lighthouse
A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....

 in Delaware
Delaware
Delaware is a U.S. state located on the Atlantic Coast in the Mid-Atlantic region of the United States. It is bordered to the south and west by Maryland, and to the north by Pennsylvania...

, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, in the Delaware Bay
Delaware Bay
Delaware Bay is a major estuary outlet of the Delaware River on the Northeast seaboard of the United States whose fresh water mixes for many miles with the waters of the Atlantic Ocean. It is in area. The bay is bordered by the State of New Jersey and the State of Delaware...

 near Bowers Beach. Built in 1885-1886 at the south end of Joe Flogger Shoal, it was the first lighthouse to be built using a pneumatic caisson
Caisson (engineering)
In geotechnical engineering, a caisson is a retaining, watertight structure used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, or for the repair of ships. These are constructed such that the water can be pumped out, keeping the working...

. The wooden caisson structure was excavated to a depth of 23 feet (7 m) below the seabed, then filled with 2000 cubic yards of concrete. A cast iron base was meanwhile erected on the caisson as it sank. A house-like structure was built on top of the base, designed by H.A. Ramsay and Son of Baltimore. Engineers for the structure were Anderson and Barr, and the contractor was D.P. Heap.

The light is eleven miles offshore, and therefore not visible from land.
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