MS-324 PVG DIRECT VISION SPECTROSCOPE

Direct Vision, diffraction grating-type spectroscope. Used where
wavelength measurement are not required. Convenient for
examining bright line spectra of metal in flames, gases in discharge
tubes and absorption spectra of solutions and colored glasses.
Many of the stronger fraunhofer lines can be observed. Metal
tubular body with a black oxide finish. With fixed focus eyepiece
and adjustable slit.