Plaque reads 'Clyde Lighthouses Trust. This buoy was laid down by the Trustees at Rosneath Patch in 1880. It was the first flashing buoy to be established to aid navigation. D & T Stevenson, Engineers to the Trustees.'
Uploaded to Geograph by Leslie Barrie on 5 September 2013
Photo © Leslie Barrie, 5 September 2013. Licensed for reuse under this Creative Commons licence