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Spectrograph
Title: Spectrograph
Identifier: LL02.48.06.15   (https://digital.lib.ecu.edu/22046)
Description: John Browning was an important maker of scientific instruments. He made the first microscope spectroscopes. This one has a movable measurement scale, projected below the spectrum, for measuring the lines in reference to the Fraunhofer lines. The spectrograph was manufactured in the 19th Century.

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