Laboratory glassware. Assortment of laboratory glassware. Two test tubes containing a clear mauve and a clear yellow liquid in a glass beaker can be seen at lower centre. The beaker also contains a slender pipette, a device for measuring an exact volume of liquid. At upper left and lower right, containing mauve liquids, are volumetric flasks, for storing volumes of solution. Also seen in the image at upper right is beaker containing a yellow liquid. This beaker contains a pipette and a test tube. A conical flask containing a clear mauve liquid can also be seen at botton left corner.