Spectroscope, Direct Vision, Wooden Box
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For quantitative examination of spectral composition of white light, radiant bodies etc. Comprises a metal draw-out tube of 3/4" (20mm) diameter, with an adjustable slit at one end. The light passing through this slit falls on the prism elements and break up into a spectrum. This can be viewed through an eye piece at the other end of the tube. Fully drawn-out length 5" (130mm). Supplied in a velvet lined wooden box. Comes with a Teacher's Guide.
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