Right-angled
121List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
122Kepler triangle — A Kepler triangle is a right triangle with edge lengths in geometric progression. The ratio of the edges of a Kepler triangle are linked to the golden ratio:varphi = {1 + sqrt{5} over 2}and can be written: 1 : sqrtvarphi : varphi, or… …
123drafting — /draf ting, drahf /, n. See mechanical drawing. [1875 80; DRAFT + ING1] * * * Precise graphical representation of a structure, machine, or its component parts that communicates the intent of a technical design to the fabricator (or the… …
124perception — perceptional, adj. /peuhr sep sheuhn/, n. 1. the act or faculty of apprehending by means of the senses or of the mind; cognition; understanding. 2. immediate or intuitive recognition or appreciation, as of moral, psychological, or aesthetic… …
125Oderteich — Country Germany Location Lower Saxony Coordinates …
126Leibniz: truth, knowledge and metaphysics — Nicholas Jolley Leibniz is in important respects the exception among the great philosophers of the seventeenth century. The major thinkers of the period characteristically proclaim the need to reject the philosophical tradition; in their… …
127square — 1. noun 1) a shop in the square Syn: market square, marketplace, plaza, piazza 2) informal you re such a square! Syn: (old) fogey, conservative, traditionalist, conformist, bourgeois, fossil; informal stick i …
128bell crank — noun Etymology: so called from the bell wires used to transfer motion : a lever having its fulcrum at the apex of the angle formed by its two arms * * * bell cranked, adj. Mach. a lever or rocker having two arms meeting at a pivot at a right… …
