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.
There is a good explanation from the National Weather Service about visibility. The weather observation system measures the clarity of the air. This is done by measuring the amount of light scattered from a light source, such as a Xenon flash lamp, across a distance of 0.75 feet.