tele phonograph

[Eng. telephon(e), and Gr. grapho to write. An instrument for receiving and recording a tele phonogram. wieldy character of these huge instruments led to the discovery of the reflecting telescope, of which four types arose. The Greg or i an telescope was invented by James Gregory in 1663, the Cas seg rain i an telescope by Ca egrain in 1672, the Newton i an telescope by Sir Isaac Newton in 1669, and the Herschelian telescope by Sir William Herschel about 1779. chin, bench; go, gem; thin, this; tons. The tube is of steel, 64 feet long, and 52 inches in diameter at the center, tapering toward the ends. Its weight is 6 tons. The lens is 40 inches in diameter. The driving clock, weighing 11⁄2 tons, is located in the upper section of the column. It is wound automatically by an electric motor and is controlled by a double conical pendulum It is geared to the main driving wheel, 8 feet in diameter, which, when clamped to the polar axis revolves it, together with the tube and all its acce ories-all weighing 20 tons in exact sidereal time. The total weight of the telescope is 75 tons. The site chosen is near Lake Geneva, Wisconsin, in order to avoid the smoke and other atmospheric impurities which prevail in Chicago and its immediate vicinity. Other remarkable A merits immescopes are those of Lick Observatory, with an aperture of 36 inches; Yale University, 28; United States Naval, 26; Leander McCormick, 26; Princeton, 23; Denver, 20; Smithsonian, 20; Dear born, 18.5; Car let on College, 16.2; Warner, 16; Washington, 15.5, and Harvard, 15. The largest reflecting telescopes are those of Harvard College, 28 inches, and the Rev. Dr. John Peate, 22 inches. Though the Yerkes and Lick are the largest telescopes at present, Harvard College has the best equipped observatory for general astronomical work in America, and one of the best in the world. Other notable telescopes not yet (1894) completed are: A 50-inch objective for the Alleghany University; the Lowe telescope, 37% inches, for the Lowe Observatory, Southern California; the new Chamberlain Observatory telescope (Denver, Col.), 38 inches. Prof. George A. Fargis, S. J., of the George town College Observatory, has produced an instrument that is attached to the telescope recently completed for George town College, that registers the time of the transit of the stars. Every movement of a star is carefully recorded by the photo-chronograph, as Prof. Fargis calls his instrument. It consists of two parts-a that sensitive plates can be inserted close against plate holder and an electro-magnet-so arranged the gla reticle into the photographic focus of the telescope's object-gla . A current is turned on when a star begins its transit and the instrument photographs its movements telescope-carp, s. [TELESCOPE-FISH.] telescope-fish, telescope-carp, s. Ichthyology: The most highly-prized of the many varieties of Cyprinus ( Car a i us ) auratus , the goldfish. The dorsal fin is absent, the tail is much enlarged, sub-triangular or tri-lobate, and the eyes which are large and protruding, are set in pedicels. sin, as; expect, Xenophon, exist. ph = f. telescope-fly, s. Entom.: The dipterous genus Diopsis (q. v.). telescope-shell, s . Zool.: Cerithium telescopium . [CERITHIADE.] těl'-ě-scope, v. t . & i. [TELESCOPE.] tě-les-tich, s. [ Gr.telos =the end, and stichos = a row, a verse.] A poem, in which the final letters of each line make up a name. "Acrosticks and telestichs on jump names." Ben Jonson: An Execration upon Vulcan. těl-ě-ther-mom-ě-tër, s. [Gr. tele =afar, and Eng. thermometer .] An instrument for registering at a distance by means of electricity the readings of a thermometer. těl-ě-thu-şa, subst . [Lat.=the mother of Iphis. ( Ovid : Met . , ix. 682.)] těl-fäir-l-a, subst . [Named after Mr. Telfair, superintendent of the Royal garden at Mauritius.] Bot.: A genus of Nhandirobese. Known species two, Tel fair i a pedata [JOLIFFIA], a wood-climber, with a stem from fifty to a hundred feet long, grow- ing in Zanzibar; and T. occidental is , from Western Africa, where it is cultivated for the seeds, which are eaten. When expre ed they yield a bland oil. těl-Ic, adj . [Gr. telos =the end.] Denoting the final end or purpose. [ECBATIC.] Tě-lin-ga, s . [See def. of compound.] Telinga-potato, s . Bot.: A morpho phallus campanulatus , cultivated in the Telinga or Telugu country for its edible roots or tubers. "And some grow rich by telling lies, And some by telling money." "Whoso asked her for his wife, His riddle told not, lost his life." 6. With a personal object: (1) To give information or instruction to. IMG:content-0879.png:[merged small][merged small][merged small][ocr errors][merged small][merged small] tell in a type-genus Cyprinodon as have lost their ventral fins, either from living in limited localities or from their habit of concealing themselves in the mud. (Günther: Study of Fishes, p. 615.) těl-li-na, s . [Gr. tellinē =a kind of shell-fish.) Zoology & Palœont .: The type-genus of Tell in ide (q. v.). Shell ovate, oblong, rounded in front, angular behind; valves smooth or marked with radiating strise. The animals have the power of leaping from the bottom by means of their muscular foot. The is cosmopolitan, most abundant in the tropics; more than 300 species have been described. Fo il species 170, from the Oolite onward. Tell in a balthica crag or clay : Geol.: A clay characterized by the abundance of Tell in a balthica. According to some authorities, it forms the base of the whole glacial series, and indicates the setting-in of the great glacial subsid ence. těll'-ing, *tell-yng, pr. par., a. & 8. [TELL, v.] A. As pr. par.: (See the verb.) B. As adj .: Operating with great effect; highly effective. "Its authors IMG:content-0880.jpg:[blocks in formation]