Bell in a Vacuum.
P.I.R.A #: 3B30.30
Illustrates: Sound does not travel in a vacuum.
Description: A bell is inside a bell jar which can be evacuated.
Size: 63" h x 28" w
Notes: Bell rung in partially evacuated jar can barely be heard.
Hazard: Very heavy. Toe stubber.
Condition: Good.
Instructor Comments
