Evaporating Basin, made from high quality porcelain, Round form with spout, For use with high purity samples, Fully Glazed except outside base, strong, durable, Superior quality, Capacity: 250 ml, outer dia 115 mm, height 45 mm
Equilateral Prism, Material: optical glass, Perfect for optical refraction experimentation, Will create a rainbow with any standard light source (led from a phone will work), Because of their educational use design, do not affect physical function, Size: 75mm lengthx25mm face size