Comprises a wooden board with painted white, mounted on non-skid plastic feet, and a
removable turntable about 170mm in diameter with two orthogonal lines along its diameter
dividing it into four equal quadrants.
Just beyond the rim of turntable, a circular scale graduated 90º-0-90º-0-90º × 1º is printed.
Also includes a Ray Box with a 12V, 24W bulb.
Supplied complete with a cylindrical convex lens of focal length about 75mm and two double
slits, giving one wide beam slit and one each of single, triple and five slits.
*Note: image shown above is for illustration purpose only; Actual image may vary due to specification, Design, Technology and R&D.*
