"Convexity" Quotes from Famous Books
 ... room was not finished above the second roof level, and there is no doubt that two stories above the ground were the maximum height of the western rooms, excluding the parapet. The eastern wall presents a marked double convexity while the western wall is comparatively straight in a horizontal line, but markedly concave vertically above the first roof level. Below this level it is straight. The floor beams were from 3 to 6 inches ...
— Casa Grande Ruin • Cosmos Mindeleff
... slightly less than that of the glass to be ground, and are, say, half an inch thick. These discs are turned convex or concave on one face according as they are to be employed in the production of concave or convex glass surfaces. The proper degree of convexity or concavity may be approximated to by turning with ordinary turning tools, using a circular arc cut from zinc or glass (as will be described) as a "template" or pattern. This also is a ...
— On Laboratory Arts • Richard Threlfall
... that, from their comparatively slender and slightly curved form, so unlike the digitals of its cogener the Ichthyosaurus, could have belonged evidently to no other reptile. I observed, too, in the slightly curved articulations of not a few of the vertebrae, the gentle convexity in the concave centre, which, if not peculiar to the Plesiosaurus, is at least held to distinguish it from most of its contemporaries. Among the various nondescript organisms of the shale, I laid open a smooth angular bone, hollowed something like a grocer's scoop; a three-pronged caltrop-looking ...
— The Cruise of the Betsey • Hugh Miller
... whilst the edges are shot, because any inequality would be multiplied by the number of pieces jointed. A better method is to alternate the boards, face side up, then face side down, whilst shooting the edges; this will prevent convexity or concavity on the face of the jointed board, because any slight error in the angle ...
— Woodwork Joints - How they are Set Out, How Made and Where Used. • William Fairham
... more or less furrowed behind in the middle—in other words, it forms a sort of trough; and the deeper the trough the student learns to form at will, the better, for there are times in actual singing and speaking when this must be as deep as possible. It is clear that in this way the central convexity above, formed by the hard palate, forms with the corresponding concavity in the tongue a sort of trumpet-shaped organ admirably adapted for the ...
— Voice Production in Singing and Speaking - Based on Scientific Principles (Fourth Edition, Revised and Enlarged) • Wesley Mills
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