Bell in Vacuum Experiment for Sound Wave Demonstrations Size_Small sized for compass-deflection and small-scale

sized for compass-deflection and small-scale field-line investigations

Used to keep the slide-wire wiper out of student reach during high-voltage work

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

Life-size stomach model shows gastric fundus

Demonstrates the one-way current behavior of a rectifier diode rated up to 6A at 400V

Bell in Vacuum Experiment for Sound Wave Demonstrations Size_Small sized for compass-deflection and small-scaleIllustrates that sound needs a medium to travel through a 10 inch acrylic bell jar with internal buzzer, rubber stopper, and lead plugs for pump plate connection during evacuation.