"Parabola" Quotes from Famous Books
 ... angle to J K, and produce it in E. With the radius H E, and from J as a centre, mark point F, which will be the focus of the curve. At any convenient distance above J fasten a straight-edge A B, setting it parallel to the base C D of the parabola. Place a square S with its back against the straight-edge, setting the edge O N coincident with the line J H. Place a pin in the focus F, and tie to it one end of a piece of twine. Place a tracing-point at J, ...
— Mechanical Drawing Self-Taught • Joshua Rose
... love-passion compared with marital custom."[238] Every word has a history of accidents which have befallen it, the beginnings of which are lost in the abyss of time.[239] In the Middle Ages the word "Word" came to mean the Word of God with such distinctness that the romance languages adopted parabola, or derivatives from it, for "word."[240] The students of linguistics recognize metaphor as another great mode of modifying the signification of words. By metaphor they mean the assembling of like things, and the selection and ...
— Folkways - A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals • William Graham Sumner |
