Equilateral Prism, Material: acrylic, Refractive index close to optical glass, can produce a rainbow from a non-monochromatic light source such as sun light, Perfect for student use, which will not break or chip like glass, is a softer material, Size: 50mm length, 25mm face size
Evaporating Basin, Porcelain, Flat Form with Spout for easy pouring, 4.9in dia, 1.6in depth, Glazed for easy cleaning, If using with high temperatures, increase heat and cool gradually, highest grade, raw materials, to ensure that can withstand tough environment, 200 ml capacity