Image: BCN water conservation lock

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Description: Water conservation (anti-vandal) mechanism added to many locks on the Birmingham Canal Navigations in England. A key is needed to withdraw the large bolt which prevents the paddle spindle from turning. This one is on Ryders Green No. 3 lock on the Walsall Canal. Photographed by me 9 August 2007. Oosoom
Title: BCN water conservation lock
Credit: Transferred from en.wikipedia to Commons.
Author: Oosoom at English Wikipedia
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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