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Subject Spectrograph Remove constraint Subject: Spectrograph

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    • 1957 – 1958

    Two views of a Perkin-Elmer Patrol Spectrograph used to photograph spectra of aurora occurring along a given magnetic meridian of the sky. The individual visible in the photographs is unidentified.

    The Perkin-Elmer…

    • circa 1924

    A spectrograph is an instrument used to obtain and record a light spectrum—it splits the light from an object into its component wavelengths so that it can be analysed. The spectral lines of a chemical element is…

    • 1900 – 1925

    A spectrograph is an instrument used to obtain and record a light spectrum—it splits the light from an object into its component wavelengths so that it can be analysed. The spectral lines of a chemical element is…

    • 1930-Jan-08

    General view of an apparatus used to study the structure of molecules by means of the Raman effect using a three-glass prism Steinheil Spectrograph. This apparatus was used at the U.S. Department of Agriculture's Fixed…

    • 1930-Jan-08

    Close-up view of the driving mechanism of an automatic self-recording infrared spectrograph used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Features of note…