Contents [show] 1  1 Proximal Osteology and Articulation. 2  2 Shaft of the Ulna. 3  3 Distal Osteology and Articulations. 4  4 Clinical Relevance â Common Fractures of the Ulna.
exists and is an alternate of . Campbell Stokes Recorder: measures sunshine. This type of recorder is made up of a glass ball which concentrates sunshine on to a thick piece of card. The sunshine then burns a mark on the card which shows the number of hours of sunshine in the day. A Campbell Stokes Sunshine Recorder.
The shadow of the sun reveals the time on an ancient sundial on the castle walls of Saint Michael's Mount, Cornwall, England. Sundials are the oldest known devices that are used to measure time. It depends on the rotation and movement of the sun.