Brass/ Stainless Steel Spectrometer consists of a telescope and collimator that have fine rack and pinion motion and are mounted on a stable heavy cast iron base with three levelling screws. The Spectrometer is designed with a robust structure made of brass or stainless steel that ensures optimum performance for longer period of time. The Spectrometer is provided with a scale in both the sizes of 15.0 cm and 17.5 cm of protected circle. Brass/ Stainless Steel Spectrometer is most suitable for students.