| 11. | The spectrographs could be used with either of two apertures.
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| 12. | A Littrow-type spectrograph is the main instrument of the telescope.
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| 13. | One fixed the sample and the standard called Chicago on the spectrograph.
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| 14. | The SNAP will also have a spectrograph attached to it.
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| 15. | Since the standard is always the same, its spectrograph is known.
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| 16. | With the development of photographic film, the more accurate spectrograph was created.
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| 17. | The satellite was also to include a visible-near-infrared spectrograph.
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| 18. | It is a new spectrograph to be used with the 2dF fibre positioner.
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| 19. | For this, it was equipped with two spectrographs.
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| 20. | In the entire world, there were only four double collector mass spectrograph.
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