Photometer, Jollys For Physics Lab
Description
Block comprising of two pieces of polythene approx. 25 mm square, 100 mm thick, separated by tin foil, on wood stand behind aperture 12 mm diameter…..
Block comprising of two pieces of polythene approx. 25 mm square, 100 mm thick, separated by tin foil, on wood stand behind aperture 12 mm diameter…..
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