Advanced Spectrometer (6” S.S Scale )

For introductory class work.

Inner tube Diameter	28mm
Outer tube Diameter	32mm
Diameter of Achromatic Objective	25mm (1”)
F.L. of Achromatic Objective	178mm(7”)
Focus	By Smooth Rack & Pinion (Approx. 2” motion )
Slit	Circular Slit
Inner tube Diameter	28mm
Outer tube Diameter	32mm
Diameter of Achromatic Objective	25mm
F.L.of Achromatic Objective	178mm(7”)
Focus	By Smooth Rack & Pinion (Approx. 2” motion )
Slit	Circular Slit
Ramsden Eyepiece	15x
Crosswire	Fine Quality Crossline Graticule
Circular Scale	6” Diameter (150mm) S.S. Scale Graduated from 0-360˚ (in ½ ˚Degree )
Vernier	2 Precision engraved Verniers One on each side of instruments For convenient Reading
Least Count	30 seconds (1/2 minute ) If vernier scale is having 60 divisions. 60 seconds (One Minute ) If vernier scale heaving 30 division