Crabby 6'' Inch 30sec Diffraction Spectrometer to Measure Prism Refractive Index
- Adjustable Prism table marked with grooved lines Main graduated scale of 150mm (6") Double ending verniers reading to 1 min to 30 Secs Arc depending on model Telescope mounted on movable pillar having fine adjustment..
- Collarimeter mounted on fixed pillar with objective Eyepiece & Rack Pinion Fine Focusing..
- Spectrometer with 6" Circle and Adjustable Prism table marked with grooved lines..
- Telescope mounted on movable pillar having fine adjustment and Double ending verniers reading 30 Secs. Arc Collarimeter mounted on fixed pillar with objective..