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Designed to equip your classroom and laboratory with all the necessary safety supplies
Durable and Long-lasting Material: Made from high-quality and durable material
2-position 1cm cell holder included
Children will love the sound effects they can make up using this classroom set
ensuring precise results for various applications in both inches and millimeters
Hygrometer Wet & Dry Designed to equip your classroomFeaturing a Classic mason Hygrometer with wet and dry bulb hygrometer and a large water reservoir. One thermometer bulb is in air and the other is wrapped in a wick kept moist from a water reservoir. The difference between the two readings is used to give an accurate calculation of humidity. Complete with wet and dry bulb tables. Ranges: 5 to 50C & F, + 1C & F Divisions: 1C&F Product Dimensions: 310mm x 77mm x 33mm. Premium Quality: Hygrometer Wet &
US$ 20.00
US$ 125.38
US$ 42.00
US$ 22.00
