Demos by PIRA

6J10 The Eye


  6J10.21Model of the eye, with near/far sight lenses, using arc lamp.
  6J10.80Limit of resolution: Two small lamps on adjustable slide. (RETIRED)

6J11 Physiology


  6J11.10Rotating disk with black and white lines makes color illusion.
  6J11.10Rotating disk with black and white lines makes color illusion.
  6J11.52Optical illusion posters.
  6J11.65Pulfrich Effect: Pendulum and polaroid experiment.
  6J11.70Set of color blindness cards.
  6J11.70Standard color blindness tests and box of colored yarns.