6. Another quadrant, like No. 3.
Fig. 15.—Portrait of Tycho Brahe (from original painting in the possession of Dr. Crompton, of Manchester).
7. Zodiacal armillaries of melted brass, and turned out of the solid, of three cubits in diameter.
Near this observatory there was a large clock with one wheel two cubits in diameter, and two smaller ones which, like it, indicated hours, minutes, and seconds.
In the South and lesser Observatory.
8. An armillary sphere of brass, with a steel meridian, whose diameter was about four cubits.
In the North Observatory.
9. Brass parallactic rules, which revolved in azimuth above a brass horizon, twelve feet in diameter.
10. A half sextant, of four cubits radius.