Laboratory glassware. Assortment of laboratory glassware. At upper centre is a graduated measuring cylinder with volumes marked out in millilitres down its side. Behind the measuring cylinder are (from right to left); a liquid filled volumetric flask, a stoppered bottle and a conical flask. In front of the measuring cylinder are (from right to left); a volumetric flask, two sto- ppered vials and a liquid-filled volumetric flask.