Spectroscope for Educational Laboratory.

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Spectroscope  A simple & convenient spectroscope for taking direct wavelength readings, five prism system. The instrument gives a dispersion of 10 legs. The slit is adjustable & a focusing adjustment provided. When the spectroscope is in operation, an illuminated screen is seen in the field of view. The divisions of this scale represent 100A & are numbered. Scale ruling 400-700mu.