Flash lock

A flash lock is a type of lock for river or canal transport.

Early locks were designed with a single gate, known as a flash lock or staunch lock. The earliest European references to what were clearly flash locks were in Roman times.^[3]

^ Taken from an information board provided by the Environment Agency at the upstream junction of the Swift Ditch with the River Thames at Abingdon
^ A copyrighted 1925 photograph of a Steam vessel negotiating the flash lock at Medley Weir may be seen here
^ "The Oxford Roman Economy Project". Archived from the original on 24 April 2012. Retrieved 28 September 2011. Paper presented to conference of Oxford Roman Economy Project, 9 May 2009

[1] Taken from an information board provided by the Environment Agency at the upstream junction of the Swift Ditch with the River Thames at Abingdon

[2] A copyrighted 1925 photograph of a Steam vessel negotiating the flash lock at Medley Weir may be seen here

[3] "The Oxford Roman Economy Project". Archived from the original on 24 April 2012. Retrieved 28 September 2011. Paper presented to conference of Oxford Roman Economy Project, 9 May 2009

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