Whirling Hygrometer Rod Material_Stainless Steel Four vinyl-coated prongs grip flasks

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

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

an O-ring seal

demonstrating how AC input is converted to pulsing DC output

Compact 300mm black lead with a 2mm banana plug at one end and a crocodile clip at the other

Whirling Hygrometer Rod Material_Stainless Steel Four vinyl-coated prongs grip flasksSwung 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.