Newton’s color disc of 75 mm diameter is mounted on the axle of a small motor, which is fitted on a plastic case.
4 mm sockets are provided for connections. It operates on 4 – 6 V DC.
Glass, one each double convex, Plano – convex, concavo – convex, convexo – concave, Plano – concave and double concave lens, in box.
Sizes in 38mm and 50mm.
Lenses, Set of Six (50mm).
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