Cidepe

Linear optical bench, double busbar, mercury spectral lines, monochromatic and polychromatic flashlights

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

Flat optical bench with shoes, double beam, moving disc.

Linear optical bench, diffraction, discrete spectra

vision defects set

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