3B Scientific™ Graduated Monochord
Investigate the pitch of vibrating strings as a function of their tension, length, and thickness.
Fisher Science Education Simple Resonance Tube Set
Demonstrates the principles of resonance without requiring a water column or other apparatus.
Fisher Science Education Wave Demonstration Apparatus
Demonstrates both longitudinal and transverse wave motions.
3B Scientific™ Helmholtz Resonator
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance.
EISCO Doppler Effect Demonstration Apparatus
Load batteries, swing the device in a full circular motion experience the doppler effect first hand. The EISCO Doppler Effect Demonstration Apparatus is the perfect demonstration of the Doppler effect in a classroom.
3B Scientific™ Resonance Ring
Demonstrates vibration knots in determination of different frequencies.
Fisher Science Education Three-Wire Pattern Sonometer
Hollow wooden sounding box with scales between fixed bridges.
3B Scientific™ Kundts Tube
Demonstrate standing sound waves using this glass tube and calculate wavelengths of sound using a method devised by Kundt.
EISCO Melde's Apparatus
Designed to show the effects of vibrations in a stretched cord, and investigate the relationship between frequency, tension and density.
3B Scientific™ Electric Doorbell
Demonstrates electro-magnetic operation and verifies that sound waves do not propagate in fine vacuum.