HartleyŸ??s Optical Disc

Consists of an 230 mm rotatable disc with a 360° graduated scale, a heavy stand and light source. Complete with all acrylic accessories and Light source with slits.

Designed to demonstrate the laws of reflection and refraction in optics. Consists of an 230 mm rotatable disc with a 360° graduated scale, a heavy stand and light source. Complete with accessories including a triangle, a convex lens, a concave lens, a trapezoid and a semi-circle, all made of acrylic. Light source with slits is also included.