Wave & Frequency Relevance Price: Low - High Price: High - Low Alphabetically: A - Z Alphabetically: Z - A 200kHz Pulse Generator £30.00 IPCIrwin AC Magnetic Field Coil £43.24 LED Array £85.00 Loudspeaker £30.44 Loudspeaker Amplifier £68.84 Loudspeaker Unit £60.10 Microphone £48.09 Ripple Tank £248.60 Ripple Tank Driver & Strobe Light £206.87 Rubens' Tube Driver £157.75 Signal Generator £165.36 Signal Generator & Amplifier £335.56 Velocity of Sound Kit £63.00 Velocity of Sound Switches £63.00 Vibration generator Resonance Strips and Spring £24.91 Vibration Generator+Accessories £107.93 Xenon Stroboscope £263.26