... on purpose for a mill, there stands a corn-mill; the mill-tail, or floor for the water below the wheels, is wharfed up on either side with stone above high-water mark, and for above twenty or thirty feet in length below it on that part of the river towards the sea; at the end of this wharfing is a grating of wood, the cross-bars of which stand bearing inward, sharp at the end, and pointing inward towards one another, as ... — From London to Land's End - and Two Letters from the "Journey through England by a Gentleman" • Daniel Defoe