DIFFRACTION GRATING SLIDE (0588) Demonstrates the basic principle of the diffraction grating and for exploring the dependence of its properties on its resolution (lines per unit length). Comprises a set of 3 gratings -100, 300 and 600 lines/mm, mounted on a single slide card mount with three apertures of 16x9mm, one for each resolution, which is clearly marked below each aperture. With protective coating. Qty :