That it survives at all is the remarkable thing. Watermills were once scattered across the Irish countryside in their hundreds, grinding grain or driving machinery, and most have long since collapsed, been demolished, or reduced to a scatter of dressed stone in a ditch. This one retains its wheel.

The wheel is of the breastshot type, meaning water was directed at roughly the mid-point of the wheel rather than from above or below, a method that balanced reasonable efficiency with the modest head of water that a river like the Brinny could reliably supply. The cast iron construction points to a period of industrial confidence, likely the nineteenth century, when rural milling operations across Ireland were being upgraded from timber to metal components. A segment wheel, which is a gear wheel built from separate curved sections rather than cast in a single piece, remains attached to the shrouding, the outer casing that enclosed the wheel and helped channel the water's force. It is, in essence, a small but coherent piece of industrial machinery, preserved more or less where it was last used.