Weather Station
Discription:
1)It contain a Galileo thermometer and a barometer.
2)In liquid of thermometer, glass balls 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)The tags below every ball can indicate the temperature.
5)A barometer is an instrument that can measure the pressure exerted by the atmosphere by using water or air.
6)A special wooden design to be a good gift for office display
7)An indispensable comprehensive weather teller which can show weather changes in advance.
Size: overall height,29cm Height of barometer,15cm
Number of glass balls: 5