NEWTON’S RING APPARATUS To measure the wavelength of the light by the reflected system, frame 60 x 58 x 50 mm high with a glass plate mounted at an angle of 45° to reflect light downwards on a plano-convex lens of one metre focal length, resting on a glass plate 38 x 38 x 3 mm. Complete with lens.

NEWTON’S RING APPARATUS To measure the wavelength of the light by the reflected system, frame 60 x 58 x 50 mm high with a glass plate mounted at an angle of 45° to reflect light downwards on a plano-convex lens of one metre focal length, resting on a glass plate 38 x 38 x 3 mm. Complete with lens.