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Convenient diffraction grating with three different spacings

Investigate the spectral pattern of different gases.

Convenient lens set for optical experiments.

Demonstrate the internal reflection of a laser.

Hand-held spectroscope shows the component wavelengths of light.

Illustrate how spectral patterns can be analyzed from a combination of gases.

This kit uses a compact yet powerful laser ray box, which has bright and well-defined rays perfect for classroom use.