Weather Station
Item No:TB201H
Discription:
1) An indispensable comprehensive weather teller including barometer, Galileo thermometer and hygrometer.
2) In liquid of thermometer, solid substances with the same weight and size sink when temperature rises, and they ascend when temperature falls.
3) The glass balls differ in weight and the density of the liquid means the lowest of the floating ball in the upper part of the cylinder shows the accurate temperature.
4) Hygrometer can be used to measure air humidity.
5) Barometer can forcast the weather changes through the air pressure.
Size: Height, 25cm Hygrometer dia:3.7cm