Linear optical bench, polychromatic and monochromatic light, optical panel, slit and circle masks

Linear optical bench, polychromatic and monochromatic light.

Linear optical bench, polychromatic light

Set of emission spectra of 5 types of gases

Linear optical bench, diffraction, discrete spectra

Linear optical bench, polychromatic and monochromatic light, optical panel, masks and Hg spectral emitter

Telecommunications study kit

Cidepe