Product Code:
MACHANICE00152
Description:
Magdeburg Hemispheres
Specification:
Magdeburg Hemispheres -Our plastic half-spheres withstand 180 pounds of force when pumped free
of air. Pass them around the classroom, inviting students to try to pull
them apart using safety handles, or place in the Vacuum jar and remove
the air to equalize the pressure and watch the halves separate. Includes
two ABS plastic hemispheres, 4.75" in diameter; brass exhaust valve,
1/4" diameter pressure tubing; wooden handles; illustrated
instructions. Image may vary.