A treatise on gyrostatics and rotational motion . Fig. 66. with which the experiment was made is shown in Fig. 6G. It resembledtin- ordinary Kelvin gyrostat in being composed of a flywheel mounted in arigid case surrounded by an equatorial ring with polygonal edge, as shownin the diagram; hut the case was an open frame, and the spheroidal globecontaining water took the place of the flywheel. When the globe was spunin the ordinary way the liquid gyrostat imitated the behaviour of the solidone in all respects. The spheroid had an ohlateness of about per cent., that is the differencein length of
A treatise on gyrostatics and rotational motion . Fig. 66. with which the experiment was made is shown in Fig. 6G. It resembledtin- ordinary Kelvin gyrostat in being composed of a flywheel mounted in arigid case surrounded by an equatorial ring with polygonal edge, as shownin the diagram; hut the case was an open frame, and the spheroidal globecontaining water took the place of the flywheel. When the globe was spunin the ordinary way the liquid gyrostat imitated the behaviour of the solidone in all respects. The spheroid had an ohlateness of about per cent., that is the differencein length of the polar and equatorial diameters was about 5 per cent, of thelength of either. But sometime Later another liquid gyrostat was made,similar in all respects to the former, except that it was prolate instead of *Brit. Assoc. l*7t>: Nature, Feb. 1. 1*77. LIQUID GYROSTAT 265 oblate to about the same percentage (Fig. 7). The dynamical behaviourof this was quite different. When an attempt was made to spin it, it wasfound, as soon
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