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Electric hot plate for classroom labs
Whether students rotate with hand weights or interact with a spinning gyroscope
This chemical fog scatters laser light without the mess of chalk dust
An essential tool for studying pressure
Gravity Well Replacement Marbles and Steel Ball Set
Bell Jar and Ringer Furniture Electric hot plate for classroomThe bell jar (named for its shape) and vacuum plate are supplied with a battery operated electric ringer. The ringer is mounted on rubber feet to dampen the vibrations, so students can clearly hear the drastic reduction in sound when the air is removed.
US$ 49.95
US$ 49.95
US$ 49.95
US$ 150.00