Hygrometer Wet & Dry or for word-building using magnetic

or for word-building using magnetic letters

Powerful motor fills a 25mL pipette in less than 5 seconds

Bonga have tunable membranes

Diverse Supplies: The kit includes

Pre-set Focus: The apparatus comes pre-set to focus the light at the correct height

Hygrometer Wet & Dry or for word-building using magneticFeaturing 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 &