Linear optical bench, polychromatic and monochromatic light.
Flat optical bench, with shoes and double beam
Linear optical bench, polychromatic and monochromatic light, optical panel
The overall effect of light on materials
Mercury spectrum array with UV side window and grating
Set for discrete diffraction of light and wavelength.
Linear optical bench, double busbar, mercury spectral lines, monochromatic and polychromatic flashlights
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