Interference and Diffraction Gratings Set of 5 Suitable for Research Use

Comprehensive 5pc Diffraction Grating Set with Various Designs

5pcs Plastic Interference Diffraction Grating Set for Physics Research

Five Piece Set of Double and Triple Slit Circular Interference Gratings

Pack of Five Plastic Circular Interference and Diffraction Sets for Studies

Diffraction Grating Set 5pcs with Double and Triple Slits

Diverse Patterns in 50x50mm Circular Interference Diffraction Gratings Set

Circular Double Triple Slit Grating Set of Five for Optical Applications