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106 when required, could be placed on a stand outside, similar to those which Tycho used for his sextants. On the ceiling was represented the Tychonian system of the world, and on the walls were portraits of eight astronomers, all in a reclining posture, namely, Timocharis, Hipparchus, Ptolemy,

Albattani, King Alphonso, Copernicus, Tycho, and lastly Tychonides, an astronomer who is still unborn. Under each portrait was the name, approximate date, and a distich