Leslie's Cube/Leslie Cube Premium 10cm Square [3076]

Premium thick Aluminium plate boxes available in two sizes i.e. 10cm and a larger 13cm version. The vertical faces of the boxes are blackened, roughened, varnished and polished respectively. The top openings are fitted with a stopper. The apparatus is filled with water maintained at boiling point by a low bunsen flame. Infrared sensors may be used to compare the relative radiant heat output from each of the four faces.