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LOCK KEEPERS COTTAGE * |
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| The residence of a lock-keeper. |
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LOCKSMITHS WORKSHOP * |
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| A place where padlocks and rim locks for doors are made from iron and brass. |
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CHAIN LOCKER SHOP * |
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| A building for the storage, repair and maintenance of chains for lighthouses, lightships and lightbouys. |
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GUILLOTINE LOCK * |
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| A lock where the gates rise vertically. Rarely found on canals but common on navgable rivers in the Fens, particularly the river Nene. |
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JUNCTION LOCK * |
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| A lock at the point where two waterways join together. |
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LOCK HOSPITAL * |
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| A hospital for the treatment of venereal disease. |
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LOCK CHAMBER * |
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| The space enclosed between the gates and side-walls of a lock. |
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LOCK FACTORY * |
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| A building or site for the industrial manufacture of locks. |
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LOCK FLIGHT * |
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| A series of locks usually with short reaches between them allowing boats to travel up and down a steep incline. |
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CANAL LOCK * |
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| A rectangular chamber of brick or stone with heavy wooden gates at either end equipped with sluices to let water in and out, thereby enabling a canal boat to be lowered or raised to a different level. |
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FLASH LOCK * |
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| A form of lock on a river, which increased the depth upstream and had a gated opening. |
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FLOOD LOCK * |
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| Gates that can be opened or closed, to admit or exclude water, especially flood water. |
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POUND LOCK * |
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| A common type of lock in the form of a chamber with gates on either side. |
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RIVER LOCK * |
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| A section of the water channel of a river, shut off above and below by lock gates provided with sluices to let water in and out and thus raise or lower boats from one level to another. Often found situated next to a weir. |
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TIDAL LOCK * |
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| A double lock placed between tidal water and a canal, etc.. |
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FISH LOCK * |
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| A lock, often containing a fish ladder, which allows fish to swim upstream bypassing a weir or other obstacle. |
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LOCK GATE * |
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| A large wooden gate, positioned at either end of a canal or river lock, equipped with sluices to let water through. |
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LOCK SILL * |
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| The masonry beneath a lock gate, sometimes projecting several feet from the gate. |
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STOP LOCK * |
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| A lock at the end of one company's canal where it joins another company's canal. |
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SEA LOCK * |
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| An entrance chamber from tide water to basin, with gates at each end and means of pumping up or lowering the level of water to suit. |
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LOCK UP * |
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| A prison used for temporary detention. The typical village lock-up was a one-storeyed, one-celled building, sometimes of round or polygonal plan. |
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LOCK * |
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| A section of the water channel on a canal or river shut off above and below by lock gates provided with sluices to let the water out and in, and thus raise or lower boats from one level to another. Use more specific type where known. |
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