Direct Vision Spectroscope In Wooden Box

Useful For Rapid Qualitative Observation Of Composition Of Emission And Absorption Spectra. Al The Principal Components Collimator, Prism And Telescope, All Arranged In One Metal Tube. The Tube Has Adjustable Slit At One End And Draw Tube With Eyepiece At Other End. Features Achromatic Objective Glass And Multi Element Prism Causing Appreciable Dispersion Of Light Without Deviation. Supplied In A Velvet Lined Wooden Case. (Direct Vision Spectroscope)