Barometer. A storm glass,or Goethe barometer,indicating poor weather. The large bulb is half filled with water. The side tube is open to the air. Atmospheric pressure pushes the water column down. Bad weather is predicted when atmospheric pressure is low (the water column is high) indicating a depression | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4217 px × 4217 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |