Demonstrate Transverse Wave Motion:
The handle, which is at one end of the machine, is rotated to cause a series of cams to rotate. These cams cause a set of 16 vertical rods to rise and fall sequentially as the cams rotate beneath them. Their motion follows that of a Sine Wave since their vertical motion is caused by the circular rotary motion of each cam.
The transverse motion, which is clearly visible by observing the tips of the rods, is a demonstration of the creation of Sine Waves as perhaps created in a ripple tank or in a vibrating guitar string.
Demonstrate Longitudinal Wave Motion:
A set of 8 rods at one end of the machine protrude horizontally through a guide loop and move in a longitudinal motion relative to one another. This longitudinal motion is also Sine Wave.
This longitudinal motion is a demonstration of the compression and extension of the coils of a spring when set into a longitudinal vibration or in the radiation of radio energy from an antenna into the atmosphere.
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