Abstract
UNDER the above title, the author investigates the motion of a right-angle one side of which passes through a fixed point, while the vertex describes a fixed right line or circle, that of a rod sliding between axes at right-angles, that of a crank connecting rod, and so forth; altogether, six methods of generation are investigated. The curves associated with these moving systems include the base and rolling centrodes or loci of the instantaneous centres, the envelope of the moving line and those of other lines associated with it, the trajectories of various points of the figure, and certain envelopes of their tangents. In this way a large number of curves are obtained, possessing interesting properties; of course, many of these are already well known. The figures in the book are rather complicated. The book eon-tains a portrait of Col. Mannheim and a short bibliography.
Systmes Cinématiques.
Prof. L. Crelier. Pp. 100. (Paris: Gauthier-Villars, 1911.) 2 francs. (Scientia. Janvier, 1911. Phys.-Mathmatique. No. 31.)
Article PDF
Rights and permissions
About this article
Cite this article
Systmes Cinématiques . Nature 90, 569 (1913). https://doi.org/10.1038/090569b0
Issue Date:
DOI: https://doi.org/10.1038/090569b0