Spin the crank lever and look into the kaleidoscope.Inside of the kaleidoscope are three reflecting walls, positioned in a 60° angle to each other. In the back is a perforated metal disk. By spinning the kaleidoscope the three reflecting walls and the disk create moving images and pretty patterns.
Further viewsof the exhibit "Moving Kaleidoscope"
Further informationson the exhibit "Moving Kaleidoscope"
At the brim the images become darker as light waves are never reflected completely.