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Richmond Lock is managed by the Port of London Authority. Most of the Environment Agency's locks and weirs are staffed by a lock keeper, who often lives in a house adjacent to the lock. The lock keeper's duties involve both operating the lock, and managing the river levels above the lock by adjusting the weir openings.
The pound gate below Thames lock is used when Thames water level is low; it may have been added because the Thames was still slightly tidal at this point when the navigation was built. Thames lock was rebuilt with concrete walls in 1863, an early modern use of the material.
Boulter's Lock is a lock and weir on the River Thames in England north-east of Maidenhead town centre, Berkshire. The present 1912-built lock replaces those at this point of the river to the immediate east dating from the late 16th century and that of 1772 built by the Thames Navigation Commission .
It is at the start of a navigation cut built with the lock by the Thames Conservancy in 1898. This was the only new lock built on the non-tidal Thames in the era of falling revenue after the Thames Conservancy took over responsibilities of the Thames Navigation Commission. It replaced a flash lock in a weir about 3 ⁄ 4 mile (1.2 km) downstream.
Hambleden Lock is a lock with a long weir situated on the River Thames in England, about 2 miles downstream of Henley Bridge. The lock is on the Berkshire bank between Aston and Remenham . Built by the Thames Navigation Commission in 1773, the lock is named after the village of Hambleden , a mile (1.5 km) to the north.
Shepperton Lock is a lock on the River Thames, in England by the left bank at Shepperton, Surrey. [ n 1 ] It is across the river from Weybridge which is nearby linked by a passenger ferry . In 1813, the City of London Corporation built the pound lock and the short cuts (cuttings) – the nearer expanded an existing meander cutoff , beyond which ...
Flash locks of this type have been documented in China since at least the 1st century BCE and on the Thames since at least 1295. [5] [6] Flash locks were commonly built into small dams or weirs where a head of water was used for powering a mill. The lock allowed boats to pass the weir while still allowing the mill to operate when the gate was ...
Abingdon Lock is a lock on the River Thames in England, less than 1 mile east and upstream of Abingdon, Oxfordshire, on the opposite bank of the river. It was originally built in 1790 by the Thames Navigation Commission .