It can be used for science education, students study, display etc. Please feel to E-MAIL us if there are any s and s, we will try our best to MEET YOUR SATISFACTIONS WITHIN .
A support shaft and a 90° straight handle are installed in the center of the disc, and there is a nut at the end of the shaft to prevent the disc from falling out. The disc can be rotated by hand around the central axis.
Structure: Aluminum disc with a diameter of about 200mm, with matt black plastic sprayed on the front and back, with a thickness of about 1mm.
Purpose: Used in the experiment of scientific stroboscopic observation in elementary and middle schools to prove that the vision has temporary characteristics.
There are 12 light-transmitting slits with a length of about 60mm and a width of 1.8mm at every 30° of the central angle.
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Please allow little color difference due to different display or light environment.
Please feel to E-MAIL us if there are any s and s, we will try our best to MEET YOUR SATISFACTIONS WITHIN .