Physics Experiment Teaching Aids Hemisphere Experiment Equipment Magdeburg Hemispheres Experiment Instrument Cast Iron Physical Laboratory Teaching Apparatus

This instrument is used for high school science class to explain atmospheric pressure. The pressure difference between the sealing ball and the outside atmosphere compresses the two hemispheres, so that they cannot be separated within a certain pulling force. Paint spraying surface, smooth and burr-free. This product consists of two cast iron hemispheres with pull rings. The two hemispheres are combined with each other to form a sealed container. One of the hemispheres has a gas guide valve. The air in the sealed hemisphere can be withdrawn through the v Metal ball is inside coated with rust preventing paint., Manufacturer: ASumPio