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American Educational 3106 Sling Psychrometer Kit
Measure relative humidity with this simple sling psychrometer. Consists of wet and dry bulbs and Celsius thermometers that rotate on a plastic handle. Correlate with other instruments in weather investigations. For grades 6 to 12 and ages 11 to 18 years. Consists of wet and dry bulbs and Celsius thermometers that rotate on a plastic handle Measure relative humidity with this simple sling psychrometer Correlate with other instruments in weather investigations For grades 6 to 12 For ages 11 to 18 years Dimensions 8 x 4 x 0.5 inches; 1.6 Ounces, Our Recommended age 8 years and up, model number 3106, Available May 22, 2008,

Price is $9.00

Price: $8.95