Abstract
IN September last Prof. Perry delivered the “Operatives' Lecture” of the British Association meeting held at Leeds, the subject of which was entitled “Spinning Tops.” The present little work is a revised and much expanded edition of that lecture, and, instead of the moving apparatus originally displayed, the author has provided a very approximate equivalent in the elaborate illustrations and descriptions. He begins by showing the rigidity of flexible bodies when in motion: he then describes the behaviour of a common top by means of a balanced gyrostat, and explains the importance of giving a rotary motion to projectiles. The gymbal gyroscope and the curious movements that are connected with it are afterwards discussed, and the analogy of these movements to that of the earth in regard to precession, &c., is pointed out.
Spinning Tops.
“Romance of Science Series.” By Prof. John Perry. (London: Society for Promoting Christian Knowledge, 1890.)
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[Book Reviews]. Nature 43, 365–366 (1891). https://doi.org/10.1038/043365c0
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DOI: https://doi.org/10.1038/043365c0
