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.
Measuring time by the Sun, the Moon and the Stars. As the sun moves across the sky, shadows change in direction and length, so a simple sundial can measure the length of a day. It was quickly noticed that the length of the day varies at different times of the year.