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
Buchner Funnel, Porcelain Buchner Funnels Have Stable Mechanical Strength And Little Permeability. When Properly Used, The Glazed Pieces Can Withstand Temperatures Of 1050 deg C And The Pieces 1350 Deg C, Has An 80Mm Diameter Opening And A 22Mm Diameter Tube.