Adam Hilger Ltd., London, England. A large brass, steel, and wood quartz spectrograph camera. Numbered E.3.302 27318 along the brass scope. With a sealed jar containing a rock salt prism.
A spectrograph or spectroscope is used to obtain and record a light spectrum by splitting the light from an object into its component wavelengths. When a photograph is developed, the spectral lines are measured to determine the composition of a chemical element.(Camera) Height: 14 1/2 in x width: 55 1/2 in x depth: 8 3/4 in. (Prism) Height: 4 in x diameter: 3 1/2 in.
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