Whirling Hygrometer Rod Material_Stainless Steel demonstrating how AC input is

demonstrating how AC input is converted to pulsing DC output

Cubic 16 by 16 by 16 cm footprint defines this autoclavable polypropylene test tube basket

Four vinyl-coated prongs grip flasks and burettes up to 4

Used to demonstrate rotational-to-linear motion conversion

Wall-mountable beech wood draining rack measures 20 x 20 inches and holds up to 90 pieces of labware inverted for post-wash drying in chemistry labs

Whirling Hygrometer Rod Material_Stainless Steel demonstrating how AC input isSwung by hand for accurate ventilation, this whirling hygrometer carries two thermometers from 5 to +50C at 0. 5C in a protective case for paired wet and dry bulb humidity readings.