Hayes Mill - Thingumajig
Introduction
The photograph on this page of Hayes Mill - Thingumajig by Chris Allen as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
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Image: © Chris Allen Taken: 26 Jan 2008
These are actually "button hole launders" - one term for them. The holes would all be plugged with removable bungs and a suspension of solid and liquid would be filled in to the settling ark behind. As the solid settled the supernatant would be run off by withdrawing plugs from above down. Quite common in the bone and stone industry. An example is also to be found at Thwaite Putty Mill, Leeds. Note the adaptive reuse by using one hole for a pipe.