US$ 36.67
zinc) at 11
Visualizes common landforms — peaks
Four-point-five-ohm 9A standard rheostat with constantan winding on a vitreous-enameled steel tube
securing round flasks and condensers on retort stand rods without scratching
Double-concave glass lens at 75mm diameter and 250mm focal length
Orange Soft Rubber Tubing, 6mm Subcategory_Alternative Energy zinc) at 11Soft orange rubber tubing at 6 mm bore, flexible enough to bend around glassware joints while resisting degradation from common laboratory acids and alkalis.
US$ 36.67
US$ 18.99
US$ 126.50
US$ 155.99
US$ 20.00
US$ 27.90
US$ 25.49