"PARKWAY PLASTICS, INC."
Boomwhackers Tuned Percussion Tubes
Boomwackers are brighly colored plastic tubes tuned by length to musical notes.
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Plastic Spring Wave
Observe phase reversal at the fixed end of wave pulses with this spring used to test waves in fundamental and multiple vibrations.
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Digital Sound Level Meter
Make sound measurements with greater precision and convenience.
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Ripple Tank
This compact tank can be used on an overhead projector or as a traditional ripple tank.
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Complete Ripple Tank Apparatus
This ripple tank is transparent, acrylic plastic and supported in a sturdy plastic frame.
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Resonance Apparatus
With the Resonance Apparatus, students investigate the effect of frequency on wavelength.
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Doppler Effect Demonstration
Get students into the swing of things with the Doppler effect.
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Eisco® Ripple Tank Advanced with Projection Screen
This advanced ripple tank comes complete with all accessories needed for wave investigations.
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Set of 12 Drilled Balls
Multi-purpose drilled ball set ideal for pendulum experiments but can be used to meet a variety of lab needs.

