Diffraction Grating 50 Lines Optical Spectrophotometer for Teaching Experiment

Diffraction Grating Equipment for Spectroscopy and Teaching Demonstrations

Optical Diffraction Grating Spectrophotometer for Teaching Demonstrations

Spectroscopy Diffraction Grating with Multiple Line for CONFIGURATIONS

Diffraction Grating 80 Lines/mm for Spectrophotometer Teaching Experiments

Diffraction Grating Optical Teaching Tool for Spectroscopy Applications

Diffraction Grating for Spectroscopic Analysis and Teaching Demonstration

Transmission Grating for Spectroscopy Teaching Demonstration and Experiments