Product Number: SB16555
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Data needed to determine wavelengths and velocity of sound can be easily and accurately obtained with this apparatus. Consists of a 90 cm graduated plastic resonating tube. The end of the tube is connected to an aluminum reservoir which slides along a vertical support rod to raise the water level to any level. The tube is of sufficient length to produce resonances for 1/4, 3/4, and 5/4 wavelengths of a 512 VPS tuning fork. Includes instructions for assembly and use. Tuning fork not included.