| Sert tamed and harnessed the Mediterranean light with quadrantal cylinder windows. |
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| At least four quadrantal hsiu that divided the sky into quarters or quadrants were known in China in the 14th century bce, and 23 are mentioned in the Yüeh Ling, which may go back to 850 bce. |
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| During the missed approach, the pilot requested confirmation of the quadrantal altitudes, which tends to show that part of his planning for the approach was inadequate. |
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| Although the pilot requested confirmation of the minimum quadrantal altitudes, and the approach chart indicated the same information and more, the aircraft descended below the published minimum altitudes. |
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| Quadrantal errors caused by metal safety rails and rigging on the boat also had to be allowed for. |
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| Quadrantal portions of the lower covering sheet lying outside the cruciform attachment pattern are unrestrained by attachment to any other element of the absorbent assembly. |
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