Walmarthon “Old Mill” – Waterwheel Object ID# 1995.0804 Object Name Photograph Date Location Description View of the Old Mill. Notes Handwritten on the back of the mount: "Old Mill / 'Walmarthon' / Radnor Township." The image and historical information shown on this page is the property of the Radnor Historical Society. Use or copy of this image or data may only be done with the express permission of the Society. To contact us about usage or purchase of this photograph, please read these instructions.