Historical recording anemometer. A recording anemometer,or anemograph,is used to measure and record wind speed over time. The cup-shaped vanes catch the wind and rotate. This rotation moves a pen that traces the data onto a rotating drum (bottom centre). The speed of rotation is used to calculate wind speed | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Donne, Michael |
Bildgröße: | 3409 px × 5123 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |