Comprises of M.S. sheet, 75 x 100 cm, wall mounting. The light box consist of a light source (12V, 24W lamp) producing conversent, divergent, or parallel beam and on other end, a triple aperture system for colour mixing experiments. Supplied with all necessary optical components which are held on the board with magnets and graduated optical disc 30cm dia.
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Mahesh Nagar, Ambala, Haryana