Penny Head Solid Cone Stopper, 10/19, Borosilicate Glass Human Anatomy_Human Skeletons & Bones Polished non-warping wooden base with

Polished non-warping wooden base with a built-in meter-scale carries a compass-box magnetometer

sized at 10 inches for focused respiratory anatomy teaching

this 1000mm red wire with crocodile clips at both ends extends color-coded patch wiring across the longest bench setups

Round perspex refraction block

Heavy-duty cork boring machine cuts precision holes through rubber and cork stoppers for fitting laboratory glassware

Penny Head Solid Cone Stopper, 10/19, Borosilicate Glass Human Anatomy_Human Skeletons & Bones Polished non-warping wooden base withPenny head solid cone stopper in borosilicate 3. 3 glass features 10 19 cone for sealing ground joint vessels with finger grip top design.