Baroscope

Description Beam balance on base with suspended polystyrene ball and adjustable counterweight for demonstrating buoyancy on a body due to atmospheric pressure. At a state of equilibrium a Baroscope is placed in a vacuum bell jar under atmospheric pressure. The air in the bell jar is then evacuated the Styrofoam sphere falls on account of the reduction in lift.
Styrofoam sphere: 50 mm dia.
Base: 120x90 mm2
Height: 125 mm

Required:
1003166 Vacuum Experiment Plate