Intermediate Spectrometer, 1 Each

The Intermediate Spectrometer by United Scientific is a classroom spectrometer for precise measurements with prisms and diffraction gratings. It features 22 mm optics, a built-in illuminated auto-collimator, a 17.8 cm divided circle, a double-ended vernier reading to 1 arc minute, and a 7 cm rotating, height-adjustable prism table. It ships with a grating, prism, and 110 VAC power supply for advanced high school and undergraduate physics labs.