A Hand-book: Or, Concise Dictionary of Terms Used in the Arts and Sciences

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John Murray, 1825 - Industries - 451 pages
 

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Page 183 - Insects, which in their several changes belong to several of the before-mentioned divisions, may be considered together as one great tribe of animals. They are called insects, from a separation in the middle of their bodies, whereby they are, as it were, cut into two parts, which are joined together by a small ligature; as we see in wasps, common flies, and the like.
Page 115 - A figure of rhetoric t , by which something is left out ; in geometry, an oval figure generated from the section of a cone, by a plane cutting both sides of the cone, but not parallel to the base, and meeting witli the base when produced.
Page 119 - A little circle whose centre is in the circumference of a greater ; or a small orb, which, being fixed in the deferent of a planet, is carried along with its motion ; and yet, with its own peculiar motion, carries the body of the planet fastened to it round about its proper centre.
Page 278 - Peristylium, a continued row or series of rows of columns all round a court or building, in contradistinction to porticoes, in which the pillars did not surround a space, but were arranged in one or more parallel lines Peritrochium, in mechanics, a wheel or circle concentric with the base of a cylinder, and moveable together with it about an axis : the axis, with the wheel and levers fixed in it, to move it, constitute that mechanical power called axis...
Page 299 - Power, horse, in mechanics, an expression used to denote the power of a steam engine, that is to say, how many horses
Page 373 - Square-rigged, in navigation, an epithet applied to a ship that has long yards at right angles with the length of the deck, in contradistinction to sails extended obliquely by stays...
Page 3 - A poem, in which the first letter of every line being taken, makes up the name of the person or thing on which the poem is written.
Page 249 - NONES, in the Roman calendar, the fifth day of the months January, February, April, June, August, September, November, and December! and the seventh of March, May, July, and October.
Page 108 - DOVE tailing, in carpentry, is the manner of fastening boards together by letting one piece into another, in the form of the tail of a dove. The...
Page 167 - A figure of six sides or angles : the most capacious of all the figures that can be added to each other without any interstice ; and therefore the cells in honeycombs are of that form : applied to whatever has six sides or angles.

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