Tansverse Pulses and Waves 3B10.10 Pulse on a Spring
  3B10.10 Pulse on a Rope
  3B10.20 Slinky on the Table
  3B10.30 Bell Labs Wave Machine
  3B10.55 Three Hoops on OHP
Longitudinal Pulses and Waves 3B20.15 Slinky on a Cord
  3B20.30 Longitudinal Wave Model
Standing Waves 3B22.10 Melde's Vibrating String
  3B22.53 Longitudinal Standing Wave in Spring
  3B22.61 Driven Longitudinal Wave Model
Impendence and Dispersion 3B25.10 Impedance Matching
  3B25.15 Impedance Mismatch at Boundary
  3B25.40 Music Box on Table
Compound Wave 3B27.10 Superposition with Long Spring
Wave Properties of Sound 3B30.30 Bell in a Vacuum
  3B30.50 Helium Talking
Phase and Group Velocity 3B33.21 Group Velocity
Reflections and Refraction 3B35.30 Parabolic Reflector
Transfer of Energy in Waves 3B39
Doppler Effect 3B40.10 Doppler Buzzer
Shock Waves 3B45 
Interference and Diffraction 3B50.10 Single Slit in Ripple Tank
  3B50.25 Double Slit in Ripple Tank
  3B50.40 Moire Pattern on OHP
Interference and Diffraction of Sound 3B55.10 Two Speaker Interference
  3B55.13 Interference Pattern Measured
Beats 3B60.10 Beat Forks
  3B60.15 Beats with Organ Pipes
  3B60.18 Beats from Hoot Tubes
  3B60.20 Beats on Scope
  3B60.21 Beats with Digital Function Generators
Coupled Resonators 3B70.10 Sympathetic Vibrations - Tuning Forks
  3B70.15 Sympathetic Vibrations - Guitar Strings
  3B70.20 Coupled Speaker/Tuning Fork
  3B70.31 Tuning Fork and Guitar