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A tub boat lift is a type of boat lift designed to lift tub boats between different elevations of a canal. Tub boats are small boats used to transport coal and other minerals, sometimes working singly, sometimes in long trains. A tub boat lift ( German: Kahnhebehaus) lifts the boat out of the water. Most other types of boat lift such as locks ...
Edwin Clark FRAS [1] (7 January 1814 – 22 October 1894) [2] was an English Civil Engineer, specialising in hydraulics.He is remembered principally as the designer of the Anderton Boat Lift (1875) near Northwich in Cheshire, which links the navigable stretch of the River Weaver with the Trent and Mersey Canal.
Topping lift. The topping lift (more rarely known as an uphaul) is a line which applies upward force on a boom on a sailboat . Part of the running rigging, topping lifts are primarily used to hold a boom up when the sail is lowered. [ 1] This line would run from near the free end of the boom (s) forward to the top of the mast.
A portable boat lift is a tool designed specifically to allow one person to transport, set up, and safely separate boats from boat trailers. Portable boat lifts are intended to be used on land, rather than near, in, or on the water. Sometimes referred to as a boat hoist, this equipment holds the waterfcraft out of the water so that maintenance ...
The idea of a boat lift for canals can be traced back to a design based on balanced water-filled caissons in Erasmus Darwin's Commonplace Book (pp. 58–59) dated 1777–1778 [3] In 1796 an experimental balance lock was designed by James Fussell and constructed at Mells on the Dorset and Somerset Canal , though this project was never completed ...
A liftboat is a self-propelled, self-elevating vessel used in support of various offshore mineral exploration and production or offshore construction activities. A liftboat has a relatively large open deck to accommodate equipment and supplies, and the capability of raising its hull clear of the water on its own legs so as to provide a stable ...
Outcome. Around 125,000 Cubans and 25,000 Haitians arrive in the United States. The Mariel boatlift (Spanish: éxodo del Mariel) was a mass emigration of Cubans who traveled from Cuba 's Mariel Harbor to the United States between April 15 and October 31, 1980. The term "Marielito" is used to refer to these refugees in both Spanish and English.
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