Spectrometers are made of heavy cast metal with bright plated fittings. 

Collimator : Mounted on fixed and fitted with 178mm focus achromatic objectives, 25mm clear aperture. Also fitted is a unilaterally adjustable slit 7mm long. 

Scale : The 150mm diameter circle with protective plastic shield is fixed to the telescope movement and the table is attached to the double ended vernier, which reads to 1 minute of arc. 

Telescope : Mounted on moveable pillar and fitted with 178mm Focus achromatic objective, 25mm clear aperture. 

Prism Table : The table is marked with lines to assist placing the prism with respect to the table leveling screws.

Also fitted is a 8x Ramsden eyepiece and a glass cross line graticule. 

Both the telescope and collimator have rack and pinion focusing.