Construction:
Heavy Cast Metal: The spectrometer is built from durable and stable heavy cast metal, ensuring longevity and stability during experiments.
Bright Plated Fittings: Fittings such as screws and knobs are plated with a bright finish, providing corrosion resistance and a polished appearance.
Scale:
150mm Diameter Circle: A circular scale with a diameter of 150mm is fixed to the telescope movement, likely used for measuring angles.
Protective Plastic Shield: A shield made of plastic is installed to protect the scale from damage during use.