Description
Demonstrates air pressure without a vacuum pump using these rubber Magdeburg Hemispheres.
Demonstrates air pressure without a vacuum pump. Place the edges of the two hemispheres together and squeeze to force out the air between them.
Rubber construction. Hemisphere is 7.5cm diameter.
Each hemisphere has 2 release posts and 2 finger tug handles.
Demonstrates air pressure without a vacuum pump. Place the edges of the two hemispheres together and squeeze to force out the air between them.
Rubber construction. Hemisphere is 7.5cm diameter.
Each hemisphere has 2 release posts and 2 finger tug handles.