Spektroskop dore (OP070)

The hand spectroscope
A very precise screen-bending screen with 900 lines per mm makes it possible to examine different types of light. From the continuous spectrum of glowing bodies (sun, light bulb) to the line spectrum of neon etc. The wavelength can be read on a scale.
Complete with bending grid, magnifying lens and nanometer scale. DIN A4 cut-out sheets.