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2. Caisson lock - Wikipedia

   en.wikipedia.org/wiki/Caisson_lock

   The caisson lock is a type of canal lock in which a narrowboat is floated into a sealed watertight box and raised or lowered between two different canal water levels. It was invented in the late 18th century as a solution to the problem posed by the excessive demand for water when conventional locks were used to raise and lower canal boats ...

3. Caisson (engineering) - Wikipedia

   en.wikipedia.org/wiki/Caisson_(engineering)

   Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

4. List of boat lifts - Wikipedia

   en.wikipedia.org/wiki/List_of_boat_lifts

   Geheyan dam boat lift, also in Hubei Province, capable of lifting vessels of 300 tons displacement. The dam was completed in 1994, but technical difficulties delayed the opening of the ship lift for four more years. Longtan dam boat lift, capacity to lift vessels of 250 tons, in a basin 40×10.8×1.8 meters, and a vertical lift of 68.5 meters. [2]

5. Mariel boatlift - Wikipedia

   en.wikipedia.org/wiki/Mariel_boatlift

   Miami also increased its diversity in manufacturing industries at a negligible rate compared to other US cities following the boat lift. According to data from the Annual Surveys of Manufacturers, Miami's Manufacturing industries regressed only .01 percentage points post-1980, which indicates a minimal impact from the boat lift on the labor market.

6. Lifeboat (shipboard) - Wikipedia

   en.wikipedia.org/wiki/Lifeboat_(shipboard)

   One copy of life saving signals on waterproof paper. One set of fishing tackle. A food ration with an energy value of at least 10,000 kJ (2,400 Cal) for each person the liferaft is designed to hold, packed in airtight and waterproof packaging. Watertight container with 1.5 litres of fresh water for each person the liferaft is designed to hold.

7. Abraham Lincoln's patent - Wikipedia

   en.wikipedia.org/wiki/Abraham_Lincoln's_patent

   Abraham Lincoln's patent relates to an invention to buoy and lift boats over shoals and obstructions in a river. Abraham Lincoln conceived the invention when on two occasions the boat on which he traveled got hung up on obstructions. Lincoln's device was composed of large bellows attached to the sides of a boat that were expandable due to air ...

8. Strépy-Thieu boat lift - Wikipedia

   en.wikipedia.org/wiki/Strépy-Thieu_boat_lift

   The Strépy-Thieu boat lift (French: L'ascenseur funiculaire de Strépy-Thieu) lies on a branch of the Canal du Centre in the municipality of Le Rœulx, Hainaut, Belgium. With a height difference of 73.15 metres (240.0 ft) between the upstream and downstream reaches, it was the tallest boat lift in the world upon its completion, and remained so ...

9. Liftboat - Wikipedia

   en.wikipedia.org/wiki/Liftboat

   The boat was declared a total loss at an estimated cost of $1.14 million. The Ram XVIII was a 215-foot liftboat, built in 2015 and owned by Aries Marine Corporation in Lafayette, Louisiana . The National Transportation Safety Board (NTSB) determined that the probable cause of the accident was an industry failure of not providing liftboat ...