Determining the mass of evacuated air and its density.
Effect of air pressure on a partially inflated balloon and miniature bellows.
Reduction in the boiling point of liquids at reduced air pressure.
Equipment set for practical experiments on the fundamental physics of vacuums, consisting of:
1 Experiment plate with sealing ring
1 Vacuum bell
1 Vacuum hose with reversing valve
1 Vacuum hose with T-connector and reversing valve
1 Simple hand pump in storage container