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Speculum   Listen
Speculum

noun
(pl. L. specula, E. speculum)
1.
A mirror (especially one made of polished metal) for use in an optical instrument.
2.
A medical instrument for dilating a bodily passage or cavity in order to examine the interior.






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"Speculum" Quotes from Famous Books



... awarded him a pension of L200 a year and furnished him with a residence at Slough, near Windsor, and the means to erect a gigantic telescope with which he might be enabled to continue his important researches. This instrument consisted of a reflector on the "Front-view" construction, with a speculum 4 feet in diameter and of 40 feet focal length. Upon its completion, Herschel immediately began to observe the region of the new planet with the idea of discovering any satellites which might belong to it, for analogy suggested that it was surrounded by a numerous retinue ...
— Scientific American Supplement, No. 303 - October 22, 1881 • Various

... said, because the seraphic father himself was no enemy of pedocchi, but on the contrary kept them on him (le portava adosso) and held it for an honor and a glory to wear these celestial pearls in his habit. Quoted by P. Sabatier: Speculum Perfectionis, etc., ...
— The Varieties of Religious Experience • William James

... bought at one time five dozen parchment, four pounds of ink, eight calf and four sheep-skins for binding books; and afterwards there is another entry of five dozen vellum and six pair of book clasps, a book of decretals for the library, 3s., a Speculum Gregor, 2s., and "Pro tabula Paschalis fac denova et illuminand," 4s.[381] They frequently perhaps sent one of the monks to distants parts to purchase or borrow books for their library; a curious instance of this occurs under the year 1329, when they ...
— Bibliomania in the Middle Ages • Frederick Somner Merryweather

... the philosopher's stone or elixir—white for silver and yellow or red for gold. This is briefly the doctrine that the metals are composed of mercury and sulphur, which persisted in one form or another down to the 17th century. Of course there were numerous variations and refinements. Thus in the Speculum Naturale of Vincent of Beauvais (c. 1250) it is said that there are four spirits—mercury, sulphur, arsenic and sal ammoniac— and six bodies—gold, silver, copper, tin, lead and iron.3 Of these bodies the two first ...
— Project Gutenberg Encyclopedia

... this water, upon a king of Scots, who being strangely diseased was, by some devine intelligence, advised to take the water of a well in England, called Muswell, which after long scrutation and inquisition, this well was found and performed the cure" (Norden's "Speculum Britanniae," p. 36, edit. 1723). I am informed that the mosaic pavement and other ruins of this well and its chapel were to be seen about ...
— A Select Collection of Old English Plays, Volume I. • R. Dodsley

... inviolata, ora pro nobis! Virgo veneranda, ora pro nobis! Speculum justitiae, ora ...
— The Valley of Decision • Edith Wharton

... the surface of things,—even the naturalists were only engaged with their anatomy; but Emerson in the forest, or looking at the sunset from the lake, seemed to be looking through the phenomena, studying them by their reflections on an inner speculum. ...
— The Autobiography of a Journalist, Volume I • Stillman, William James



Words linked to "Speculum" :   medical instrument, mirror



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