Spectrometer, Advanced, With Double Vernier

This Instrument Whilst Robust Enough For Individual Student Use Is Also Intended For More Advanced Work The General Finish Of The Apparatus Is Similar To That Of The Intermediate Model The Instrument Is Mounted On A Baseboard, Which Slides Into A Polished Hardwood Case. Scale:The 177Mm Diameter Circle Is Fixed And The Table And Telescope Movements Are Completely Independent Of Each Other Both Movements Can Be Read To 30 Seconds Of Arc By Means Of Double Ended Vernier And Have Fine Adjustment Screws. Collimator:Mounted On Fixed Pillar And Fitted With 178Mm Fl Achromatic Objective, 32Mm Clear Aperture A Unilaterally Adjustable Slit, 6Mm Long Is Also Fitted Telescope:Mounted On Moveable Pillar And Fitted With 178Mm Fl Achromatic Objective, 32Mm Clear Aperture Also Fitted Is A 15x Ramsden Eyepiece And A Cross-Line Graticule. Prism Tablethe Table Is Marked With Lines To Assist Placing The Prism With Respect To The Table Leveling Screws And Has Interchangeable Clamping Units For The Prism And A Diffraction Grating Standard Set Of Accessories: · Dense Flint Glass Prism -1 No · Prism Clamp – 1 No · Diffraction Grating Holder – 1 No · Watchmaker’S Eyeglass – 1 No · Tommy Bar / L Key For Adjusting Optical Axis Of Tubes – 1 No · Polished Hardwood Case (Spectrometer, Advanced, With Double Vernier)