Working Model Anemometer for Earth science and meteorology is an extremely sensitive, model anemometer for demonstrating the principles of wind velocity measurement.
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An extremely sensitive, model anemometer for demonstrating the principles of wind velocity measurement. Instrument consists of four cups (5 cm diameter) mounted on a low-friction axle-securely affixed to a molded plastic base for stability. The super-smooth, cone-bearing hub allows the anemometer to rotate in breezes as gentle as two miles per hour. One cup is painted a high-contrast color to facilitate counting of rotations. Complete with instructions for classroom demonstration.