SPECTROMETER SODIUM SOURCE FOR AA EXPTS (MINI)
Spectrometer Light Source, Sodium, for use with either the Flame Spectrometer or for general optical work.
Can be used with Mercury, Sodium, Neon or Helium spectral lamps.
The tubular shaped lamp is mounted inside a cylindrical pillar on the top surface of the power supply and a selection of apertures is provided.
A black, ventilated, cylindrical shield with several slits and apertures suitable for viewing the light source fits over the pillar and this shield can be rotated to select the desired aperture.