Diffraction Grating 50 Lines Optical Spectrophotometer for Teaching Experiment

Diffraction Grating Optical Teaching Tool for Spectroscopy Applications

Diffraction Grating 80 Lines/mm for Spectrophotometer Teaching Experiments

Diffraction Grating Equipment for Spectroscopy and Teaching Demonstrations

Optical Diffraction Grating for Spectroscopy and Teaching Demonstrations

Diffraction Grating Equipment for Spectroscopy and Teaching Demonstrations

Diffraction Grating for Optical Experiments Available in Different Lines