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One thermometer bulb is in air and the other is wrapped in a wick kept moist from a water reservoir
Separate probe
symbols and concepts
It can be used at school in organized classroom activities and in counseling settings
Ash content ≤ 0
Wind Vane (Direction & Speed) One thermometer bulb is inMeasures Speed and Direction of Wind. Speed ranges 0 17 m s 10%. Directions divided into 16 azimuths. With built in compass. 21cm x 6. 5cm x 15cm. 4. 2 oz. Premium Quality: Wind Vane is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different
