SJ8746 : Etruria Staircase Lock

taken 13 years ago, near to Hanley, Stoke-on-Trent, Great Britain

Etruria Staircase Lock
Etruria Staircase Lock
This is the narrowboater's eye view of the bottom section of the 'staircase' lock. This type of lock is used to gain height rapidly in a short distance. This particular example, is a two-stage one and has three sets of gates altogether (the Bingley Five Riser is a five-stage lock and has six sets of gates in total). Normally, the middle lock gate (the one seen in this picture) is bigger than a conventional lock (about 7m instead of a typical 'normal' one of about 3.5m). This makes them nearly twice as heavy and a lot harder to manipulate! This type of lock has to be worked in a particular sequence as you can quite easily end up with water coming over the top of the gates if you get it wrong!
Creative Commons Licence [Some Rights Reserved]   © Copyright Andy Beecroft and licensed for reuse under this Creative Commons Licence.
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SJ8746, 259 images   (more nearby )
Photographer
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Date Taken
Tuesday, 10 August, 2004   (more nearby)
Submitted
Saturday, 20 January, 2007
Category
Canal   (more nearby)
Subject Location
OSGB36: geotagged! SJ 873 467 [100m precision]
WGS84: 53:1.0739N 2:11.3742W
Camera Location
OSGB36: geotagged! SJ 873 468
View Direction
SOUTH (about 180 degrees)
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Image classification(about): Geograph
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