Light source in metal housing on magnetic foil for experiments demonstrating ray optics on a whiteboard.With the help of rotating mirrors, the beams can be masked out individually. Lamp: 12V, 55W; Cord: 1.5 m w/ 4 mm plug
Heating Mantles with Stirrer, controlled by 2 separate knobs, feature polyurethane coated aluminum exteriors and a high quality knitted mantle with glass fiber underlay for uniform distribution of heat, Maximum operating temperature is 400 degC, Size: 2000 ml