perspective instrument (perspektivin"stroment)

Any mechanical aid in perspective drawing; a per spec to graph. It may be a camera lucid a, a camera obscura, an arrangement of movable strings or wires in connection with an eyepiece, or any thing similar. perspectively (per-spektiv-li), adv. 1. Optically; as through some optical instrument. See perspective, n., 1. [ Yes, my lord, you see them perspectively , the cities turned into a maid, for they are all girdled with maiden walls, that war hath never entered. Shak., Hen. V., v. 2. 347. 2. According to the rules of perspective. per spec to graph (per-spek'to-graf), n. perspectus (see perspective ) + Gr. γράφειν , write.] An instrument of various forms for obtaining or transferring to a surface the points and outlines of objects. perspectography (pér-spek-tog'ra-fi), n. [L. perspectus (see perspective ) + Gr. -γραφία , ειν , write.] The science or theory of perspective; the art of delineating objects according to the rules of perspective. per spic able (per's pi-ka-bl), a . [ perspi perspiration The quality of being perspicuous or transparent; that quality of a substance which renders objects visible through it; transparency; clearne .-2. The quality of being clear to the mind, or easily apprehended or understood; clearne to mental vision; freedom from obscurity or ambiguity; that quality of writing or language which readily presents to the mind of another the precise ideas of the author; clearne . And, asmuch as you may, frame your stile to perspicuity and to be sensible; for the haughty obscure verse doth not much delight. Gas coigne, Steele Glas (ed. Arber), p. 36. Perspicuity consists in the using of proper terms for the ideas or thoughts which [a man]... would have pa from his own mind into that of another. Locke , Reading and Study. If Clearne and Perspicuity were only to be consulted, the Poet would have nothing else to do but to cloath his Thoughts in the most plain and natural Expre ions. Add is on, Spectator, No. 285. = Syn. 2. Perspicuity, Lucidity, Clearne , Plainne . These words, as expre ing a quality of style, suggest much of their original meaning. Perspicuity is the quality by which the meaning can be seen through the words, transparency. cabilis, perspicacious (pèr-spi-kā'shus), a. [= F. per spicace = Sp. Pg. perspicaz = It. perspicace, And it [conscience] is altogether as nice, delicate, and tender in feeling as it can be perspicacious , and quick in seeing. South , Sermons, II. xii. 2. Of acute discernment. Your perspicacious wit, and solid judgment, together with your acquired learning, render [you] every way a most accomplish'd and desirable patron. Cudworth, Intellectual System, Ded. The... bewilderment of a respectable country gentle lucid, that of the radiation or shining forth of the idea from language. Clearne may have two aspects, corresponding to the clearne with which one sees an object as separate from other things, or to the clearne of water when it is not darkened in any way. Plainne rests upon the idea that nothing rises up to intercept one's view of the thought; it therefore implies, as the others do not, a simpler and homelier diction, etc. Clearne or perspicuity is the common heading for that department of rhetoric which treats of intelligibility in methods of expre ion. perspicuous (pėr-spik'ū-us), a. [= Sp. Pg. It. perspicuo, As contrary causes produce the like effects, so even the same proceed from black and white; for the clear and perspicuous body effect eth white, and that white a black. Peacham. man of kindly heart, irritable temper, and not too perspi- 2t. Obvious; plainly to be seen; conspicuous; cacious brain, to whom the Fairy had a igned such a son as By he. E. Dowden, Shelley, I. 129. =Syn. Acute, shrewd, clear-sighted, sharp-witted. See astute. Goldsmith, Citizen of the World, xxx. Imagination had ample range in the boundle perspec tive of these unknown regions. Pre scott, Ferd. and Isa., ii. 26. 6. Proper or just proportion; appropriate relation of parts to one another and to the whole view, subject, etc. We have endeavoured, in these our partitions, to observe a kind of perspective, that one part may cast light upon another. Bacon, Advancement of Learning, ii. 171. Mr. Webster. never indulged in a weak flourish, though he knew perfectly well how to make such exordiums, episodes, and perorations as might give perspective to his harangues. Emerson , Fugitive Slave Law.