Dines anemometer in a weather hut during winter. An anemometer records wind speed and direction,but this one also records variations in wind force,and the strength and frequency of gusts. The part of the anemometer exposed to the wind is on top of the hut (not seen) and is connected to this recording apparatus by the thin rod at upper right. The black dial gives wind directions in degrees. The carefully weighted recording arms have several pens to trace measurements on the paper on the slowly rotating cylinder (centre left). The single upper pen records wind velocity,and the lower (twin) pens record wind direction. This is a Dines Pressure Tube Anemograph Mark II,manufactured by Munro | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Rapson, Paul |
Taille de l’image : | 3951 px × 5000 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |