| 31. | The mirror finally arrived in 1948, followed by a Cassegrain spectrograph in 1951.
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| 32. | The light will be conducted by fiber optics from the telescope to the spectrograph.
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| 33. | It is equipped with a 61 cm astrometrical and photometric reflector with a spectrograph.
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| 34. | The principle of the icophone is the representation of the sound by a spectrograph.
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| 35. | In particular, HD 43587 A was observed with the Keck / HIRES spectrograph.
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| 36. | With double axis, would I see two spectrographs overlapping, at right angles?
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| 37. | The imager is designed for wide views but the spectrograph has a smaller view.
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| 38. | The holes will be stuffed with fiber optics that feed CCD cameras in the spectrographs.
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| 39. | To achieve the latter two points, the spectrograph consists of 24 identical image slicer.
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| 40. | He invented the feathering spectrograph by using the commonly occurring chromatic aberration to his advantage.
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