Night Spectra Quest.

Item No. 614-0055
This is the same basic principle astronomers have used to discover the composition of distant stars. Identify the spectra of the typical lights in your community at night by peering through our integrally-mounted holographic diffraction grating (spectroscope). 3" x 6-1/4" (7.5 x 16 cm) in size. With
Price
$4.57
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Description

This is the same basic principle astronomers have used to discover the composition of distant stars. Identify the spectra of the typical lights in your community at night by peering through our integrally-mounted holographic diffraction grating (spectroscope). 3" x 6-1/4" (7.5 x 16 cm) in size. With instructions. Our handy pocket chart includes meticulous color representations of the following types of light:
High and low-pressure sodium; metal halide; neon; incandescent; fluorescent; mercury spectra

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