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  2. Lock (water navigation) - Wikipedia

    en.wikipedia.org/wiki/Lock_(water_navigation)

    The two deepest locks on the English canal system are Bath deep lock [14] [15] on the Kennet and Avon Canal and Tuel Lane Lock on the Rochdale Canal, which both have a rise of nearly 20 feet (6.1 m). Both locks are amalgamations of two separate locks, which were combined when the canals were restored to accommodate changes in road crossings.

  3. James B. Francis - Wikipedia

    en.wikipedia.org/wiki/James_B._Francis

    Francis was to analyse how much water each mill factory was using from the company's channel system. Impressed by his abilities, the company named him "Manager of Locks and Canals" in 1845. [1] As manager and chief engineer, Francis was responsible for the construction of the Northern Canal and Moody Street Feeder. These two canals, built in ...

  4. Panama Canal locks - Wikipedia

    en.wikipedia.org/wiki/Panama_Canal_locks

    On top, several vessels waiting at Gatun Lake to cross the locks. At the bottom is the canal connecting to the Atlantic Ocean (Caribbean Sea). At the left of the existing locks is the construction area for the new set of locks with water-saving chambers, part of the Panama Canal expansion project which opened for traffic in June 2016. [2

  5. History of turnpikes and canals in the United States

    en.wikipedia.org/wiki/History_of_turnpikes_and...

    Proposed by Governor of New York De Witt Clinton, the Erie was the first canal project undertaken as a public good to be financed at public risk through the issuance of bonds. [9] When the project was completed in 1825, the canal linked the Hudson River to Lake Erie via 83 separate locks and over a distance of 363 miles (584 km).

  6. History of the British canal system - Wikipedia

    en.wikipedia.org/wiki/History_of_the_British...

    He built locks 72 feet 7 inches (22.12 m) long by 15 feet (4.6 m) wide when he extended the Bridgewater Canal to Runcorn, where the canal's only locks lowered boats to the River Mersey. The narrow locks on the Trent and Mersey limited the width (beam) of the boats (which came to be called narrowboats ), and thus limited the quantity of the ...

  7. History of the Panama Canal - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Panama_Canal

    Miraflores Locks in 2004. The idea of the Panama Canal dates back to 1513, when the Spanish conquistador Vasco Núñez de Balboa first crossed the Isthmus of Panama.European powers soon noticed the possibility to dig a water passage between the Atlantic and Pacific Oceans across this narrow land bridge between North and South America.

  8. 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 ...

  9. Christopher Polhem - Wikipedia

    en.wikipedia.org/wiki/Christopher_Polhem

    Together with Charles XII of Sweden, he planned the construction of parts of the canal, particularly the canal locks in the 18th century; it was not to be finished until 1832, long after his death. Other major contributions made by Polhem were the constructions of dry docks , dams , and canal locks, which he designed together with his assistant ...