A screw-pile lighthouse is a lighthouse which stands on piles that are screwed into sandy or muddy sea or river bottoms. The first screw-pile lighthouse...

part for lighthouse construction. Alexander Mitchell designed the first screw-pile lighthouse – his lighthouse was built on piles that were screwed into the...

permanent screw-pile lighthouse was built in 1874; the lighthouse has since been replaced twice over the course of its service, in 1907 with a concrete pile lighthouse...

also known as Middle Bay Lighthouse and Mobile Bay Lighthouse, is an active hexagonal-shaped cottage style screw-pile lighthouse. The structure is located...

Sands is crossed by the ancient trackway known as The Broomway. A screw-pile lighthouse was built on the sands in 1838 by Messrs. Mitchel and Sons (sic-...

The Spit Bank Lighthouse close to Cobh in County Cork, Ireland is a screw-pile lighthouse which marks a shallow bank in the navigable channels of lower...

also known as Tayport Pile Lighthouse Screw-pile lighthouse Searle, Garry. "List of Lighthouses - New South Wales". Lighthouses of Australia. SeaSide...

or helical anchors are a steel screw-in piling and ground anchoring system used for building deep foundations. Screw piles are typically manufactured...

(12 m) tall iron screw-pile lighthouse marking the navigation channel to the town of Fleetwood, Lancashire, England. The lighthouse was designed by Alexander...

and in Australia Screw-pile lighthouse, a lighthouse that stands on piles screwed into sandy or muddy sea or river bottoms Atomic pile, early term for...

historic lighthouse in the Chesapeake Bay on the east coast of the United States, and the most recognized lighthouse in Maryland. It is the only screw-pile lighthouse...

needed] Screw piles, also called helical piers and screw foundations, have been used as foundations since the mid 19th century in screw-pile lighthouses.[citation...

became distinguished lighthouse engineers in their own right. Alexander Mitchell designed the first screw-pile lighthouse - his lighthouse was built on piles...

engineer who from 1802 was blind. He is known as the inventor of the screw-pile lighthouse. Born in Dublin, his family moved to Belfast while he was a child...

The Seven Foot Knoll Light was built in 1855 and is the oldest screw-pile lighthouse in Maryland. It was located atop Seven Foot Knoll in the Chesapeake...

Roanoke Marshes Light was a screw-pile lighthouse in North Carolina, United States. Little is recorded about this light, which was replaced in 1955 with...

for most of her 40-year service life Seven Foot Knoll Light, a screw-pile lighthouse All are listed on the National Register of Historic Places. The...

across the Sound from its current location. The only surviving screw-pile lighthouse in the state, it has since been moved twice, and a replica of a...

The Holland Island Bar Light was a screw-pile lighthouse in the Chesapeake Bay which existed from 1889 to 1960. It is remembered for the unexplained death...

Gunfleet Lighthouse is a derelict screw-pile lighthouse lying in the North Sea, six miles off the coast at Frinton-on-Sea in Essex, constructed in 1850...

used to refer to a caisson or screw-pile lighthouse. Rowlett, Russ. "The Oldest Integral Lighthouses". The Lighthouse Directory. University of North...

Historic Places. The first light at this location was a hexagonal screw-pile lighthouse erected in 1872, replacing the last lightship stationed within the...

more talk ensued, and then a proposition was accepted to erect a screw-pile lighthouse of brick. In December 1855, the ship transporting the bricks struck...

The Ship Shoal Light is a screw-pile lighthouse located in the Gulf of Mexico southwest of the Isles Dernieres off the coast of Louisiana. It is currently...

April 13 – Alexander Mitchell, Irish engineer and inventor of the screw-pile lighthouse (died 1868). September 5 - Clarke Abel, British surgeon and naturalist...

entrance to Chesapeake Bay; and the Seven Foot Knoll Lighthouse, the oldest surviving screw-pile lighthouse on Chesapeake Bay, which once marked the mouth of...

to and fro mobility on the barrier island coastline. In 1879, a screw-pile lighthouse was established in the intertidal zone of the Lower Laguna Madre...

lights, having been served by three towers, three lightships, a screw-pile lighthouse, and the present caisson structure. The first light, a stone tower...

Halfmoon Reef Light (also Half Moon Reef Light) is one of the many screw-pile type lighthouses built on the Texas Gulf Coast, but the only one that still stands...

County, New Jersey, United States. It was the site of the first screw-pile lighthouse in the United States. A lightship was stationed near the shoal starting...