1125
Cartesian devil
This small glass object is hollow and has a small hole in its inferior part. If it is immersed in water, it floats. If you press the elestic membrane on the top, the devil fills itself up with water and finally it sinks. It starts floating again the moment the pressure on the membrane ends. It is supplied with glass jar and rubber membrane.
Related Literature:
MANUAL DOWNLOAD - (Product code/Serial number)
Qty