OpenLLM-France/wikimedia huggingface dataset:
# 1911 Encyclopædia Britannica/Costa, Sir Michael Andrew Agnus

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​COSTA, SIR MICHAEL ANDREW AGNUS (1808–1884), British musical conductor and composer, the son of Cavalière Pasquale Costa, a Spaniard, was born at Naples on the 14th of February 1808. Here he became at an early age a scholar at the Royal College of Music. His cantata L’Immagine was composed when he was fifteen. In 1826 he wrote his first opera Il Delitto Punito; in 1827 another opera Il sospetto funesto. To this period belong also his oratorio La Passione, a grand Mass for four voices, a Dixit Doninus, and three symphonies. The opera Il Carcere d’Ildegonda was composed in 1828 for the Teatro Nuovo, and in 1829 Costa wrote his Malvina for Barbaja, the impresario of San Carlo. In this latter year he visited Birmingham to conduct Zingarelli’s Cantata Sacra, a setting of some verses from Isaiah ch. xii. Instead, however, of conducting, he sang the tenor part. In 1830 he settled in London, having a connexion with the King’s theatre. His ballet Kenilworth was written in 1831, the ballet Une Heure à Naples in 1832, and the ballet Sir Huon (composed for Taglioni) in 1833. In this latter year he wrote his famous quartet Ecco quel fiero istante. Malek Adhel, an opera, was produced in Paris in 1837. In 1842 he wrote the ballet music of Alma for Cerito, and in 1844 his opera Don Carlos was produced in London. Costa became a naturalized Englishman and received the honour of knighthood in 1869. He conducted the opera at Her Majesty’s from 1832 till 1846, when he seceded to the Italian Opera at Covent Garden; he was conductor of the Philharmonic Society from 1846 to 1854, of the Sacred Harmonic Society from 1848, and of the Birmingham festival from 1849. In 1855 Costa wrote Eli, and in 1864 Naaman, both for Birmingham. Meanwhile he had conducted the Bradford (1853) and Handel festivals (1857–1880), and the Leeds festivals from 1874 to 1880. On the 29th of April 1884 he died at Brighton. Costa was the great conductor of his day, but both his musical and his human sympathies were somewhat limited; his compositions have passed into oblivion, with the exception of the least admirable of them—his arrangement of the national anthem.
# 1911 Encyclopædia Britannica/Cossa, Pietro

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​COSSA, PIETRO (1830–1880), Italian dramatist, was born at Rome in 1830, and claimed descent from the family of Pope John XXIII., deposed by the council of Constance. He manifested an independent spirit from his youth, and was expelled from a Jesuit school on the double charge of indocility and patriotism. After fighting for the Roman republic in 1849, he emigrated to South America, but failing to establish himself returned to Italy, and lived precariously as a literary man until 1870, when his reputation was established by the unexpected success of his first acted tragedy, Nero. From this time to his death in 1880 Cossa continued to produce a play a year, usually upon some classical subject. Cleopatra, Messalina, Julian, enjoyed great popularity, and his dramas on subjects derived from Italian history, Rienzi and The Borgias, were also successful. Plautus, a comedy, was preferred by the author himself, and is more original. Cossa had neither the divination which would have enabled him to reconstruct the ancient world, nor the imagination which would have enabled him to idealize it. But he was an energetic writer, never tame or languid, and at the same time able to command the attention of an audience without recourse to melodramatic artifice; while his sonorous verse, if scarcely able to support the ordeal of the closet, is sufficiently near to poetry for the purposes of the stage.
His collected Teatro poetico was published in 1887.
# 1911 Encyclopædia Britannica/Cossimbazar

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​COSSIMBAZAR, or Kasimbazar, a decayed town on the river Bhagirathi in the Murshidabad district of Bengal, India, now included in the Berhampur municipality. Pop. (1901) 1262. Though the history of the place cannot be traced back earlier than the 17th century, it was of great importance long before the foundation of Murshidabad. From the first European traders set up factories here, and after the ruin of Satgaon by the silting up of the mouth of the Saraswati it gained a position, as the great trading centre of Bengal, which was not challenged until after the foundation of Calcutta. In 1658 the first English agent was established at Cossimbazar, and in 1667 the chief of the factory there became an ex-officio member of council. In English documents of this period, and till the early 19th century, the Bhagirathi was described as the Cossimbazar river, and the triangular piece of land between the Bhagirathi, Padma and Jalangi, on which the city stands, as the island of Cossimbazar. The proximity of the factory to Murshidabad, the Mahommedan capital, while it was the main source of its wealth and of its political importance, exposed it to constant danger. Thus in 1757 it was the first to be taken by Suraj-ud-dowlah, the nawab; and the resident with his assistant (Warren Hastings) were taken as prisoners to Murshidabad.
At the beginning of the 19th century the city still flourished; so late as 1811 it was described as famous for its silks, hosiery, koras and beautiful ivory work. But an insidious change in its once healthy climate had begun to work its decay; the area of cultivated land round it had shrunk to vanishing point, jungle haunted by wild beasts taking its place; and in 1813 its ruin was completed by a sudden change in the course of the Bhagirathi, which formed a new channel 3 m. from the old town, leaving an evil-smelling swamp around the ancient wharves. Of its splendid buildings the fine palace of the maharaja of Cossimbazar alone remains, the rest being in ruins or represented only by great mounds of earth. The first wife of Warren Hastings was buried at Cossimbazar, where her tomb with its inscription still remains.
See Imp. Gaz. of India (Oxford, 1908), s.v.
# 1911 Encyclopædia Britannica/Costa, Giovanni

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​COSTA, GIOVANNI (1826–1903), Italian painter, was born in Rome. He fought under Garibaldi in 1848, and served as a volunteer in the war of 1859; and his enthusiasm for Italian unity was actively shown again in 1870, when he was the first to mount the breach in the assault of Rome near the Porta Pia. He had settled meanwhile at Florence, where his fight for the independence of art from worn-out traditions was no less strenuous, and he became known as a landscape-painter of remarkable originality, and of great influence in the return to minute observation of nature. He had many English friends and followers, notably Matthew Ridley Corbet (1850–1902), and Lord Carlisle, and was closely associated with Corot and the Barbizon school. In later years he lived and worked mainly in Rome, where his studio was an important centre. An exhibition of his pictures was held in London in 1904, and he is represented in the Tate Gallery. He died at Rome in 1903.
See also Madame Agresti’s Giovanni Costa (1904).
# 1911 Encyclopædia Britannica/Cosmopolitan

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​COSMOPOLITAN (Gr. κόσμος, world, and πολίτης, citizen), of or belonging to a “citizen of the world,” i.e. one whose sympathies, interests, whether commercial, political or social, and culture are not confined to the nation or race to which he may belong, opposed therefore to “national” or “insular.” As an attribute the word may be applied to a cultured man of the world, who has travelled widely and is at home in many forms of civilization, to such races as the Jewish, scattered through the civilized world, yet keeping beneath their cosmopolitanism the racial type pure, and also to mark a profound line of cleavage in economic and political thought.
# 1911 Encyclopædia Britannica/Dionysius Thrax

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​DIONYSIUS THRAX (so called because his father was a Thracian), the author of the first Greek grammar, flourished about 100 B.C. He was a native of Alexandria, where he attended the lectures of Aristarchus, and afterwards taught rhetoric in Rhodes and Rome. His Τέχνη γραμματική, which we possess (though probably not in its original form), begins with the definition of grammar and its functions. Dealing next with accent, punctuation marks, sounds and syllables, it goes on to the different parts of speech (eight in number) and their inflections. No rules of syntax are given, and nothing is said about style. The authorship of Dionysius was doubted by many of the early middle-age commentators and grammarians, and in modern times its origin has been attributed to the oecumenical college founded by Constantine the Great, which continued in existence till 730. But there seems no reason for doubt; the great grammarians of imperial times (Apollonius Dyscolus and Herodian) were acquainted with the work in its present form, although, as was natural considering its popularity, additions and alterations may have been made later. The τέχνη was first edited by J. A. Fabricius from a Hamburg MS. and published in his Bibliotheca Graeca, vi. (ed. Harles). An Armenian translation, belonging to the 4th or 5th century, containing five additional chapters, was published with the Greek text and a French version, by M. Cirbied (1830). Dionysius also contributed much to the criticism and elucidation of Homer, and was the author of various other works—amongst them an account of Rhodes, and a collection of Μελέται (literary studies), to which the considerable fragment in the Stromata (v. 8) of Clement of Alexandria probably belongs.
Editions, with scholia, by I. Bekker in Anecdota Graeca, ii. and G. Uhlig (1884), reviewed exhaustively by P. Egenolff in Bursian’s Jahresbericht, vol. xlvi. (1888); Scholia, ed. A. Hilgard (1901); see also W. Hörschelmann, De Dionysii Thracis interpretibus veteribus (1874); J. E. Sandys, Hist. of Classical Scholarship, i. (1906).
# 1911 Encyclopædia Britannica/Dionysius Periegetes

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​DIONYSIUS PERIEGETES, author of a Περιήγησις τῆς οἰκουμένης, a description of the habitable world in Greek hexameter verse, written in a terse and elegant style. Nothing certain is known of the date or nationality of the writer, but there is some reason for believing that he was an Alexandrian, who wrote in the time of Hadrian (some put him as late as the end of the 3rd century). The work enjoyed a high degree of popularity in ancient times as a school-book; it was translated into Latin by Rufus Festus Avienus, and by the grammarian Priscian. The commentary of Eustathius is valuable.
The best editions are by G. Bernhardy (1828) and C. Müller (1861) in their Geographici Graeci minores; see also E. H. Bunbury, Ancient Geography (ii. p. 480), who regards the author as flourishing from the reign of Nero to that of Trajan, and U. Bernays, Studien zu Dion. Perieg. (1905). There are two old English translations: T. Twine (1572, black letter), J. Free (1789, blank verse).
# 1911 Encyclopædia Britannica/Dioptase

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DIOPTASE, a rare mineral species consisting of acid copper orthosilicate, H$_2$CuSiO$_4$, crystallizing in the parallel-faced hemihedral class of the rhombohedral system. The degree of symmetry is the same as in the mineral phenacite, there being only an axis of triad symmetry and a centre of symmetry. The crystals have the form of a hexagonal prism m terminated by a rhombohedron r, the alternate edges between these being sometimes replaced by the faces of a rhombohedron s. The faces are striated parallel to the edges between r, s and m. There are perfect cleavages parallel to the faces of a rhombohedron which truncate the polar edges of r: from the cleavage cracks internal reflections are often to be seen in the crystal, and it was on account of this that the mineral was named dioptase, by R. J. Haüy in 1797, from διοπτεύειν, “to see into.” The crystals vary from transparent to translucent with a vitreous lustre, and are bright emerald-green in colour; they thus have a certain resemblance to emerald, hence the early name emerald-copper (German, Kupfer-Smaragd). Hardness 5; sp. gr. 3·3. The mineral is decomposed by hydrochloric acid with separation of gelatinous silica. At a red heat it blackens and gives off water. The fine crystals from Mount Altyn-Tübe on the western slopes of the Altai Mountains in the Kirghiz Steppes, Asiatic Russia, line cavities in a compact limestone; they were first sent to Europe in 1785 by Achir Mahmed, a Bucharian merchant, after whom the mineral has been named archirite. More recently, in 1890, good crystals of similar habit, but rather darker in colour, have been found with quartz and malachite near Komba in the French Congo. As drusy crystalline crusts it has been found at Copiapo in Chile and in Arizona.
Dioptase has occasionally been used as a gem-stone, especially in Russia and Persia; it has a fine colour, but a low degree of hardness and the transparency is imperfect. (L. J. S.)
# 1911 Encyclopædia Britannica/Dip

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​DIP (Old Eng. dyppan, connected with the common Teutonic root seen in “deep”), the angle which the magnetic needle makes with the horizon. A freely suspended magnetic needle will not maintain a horizontal position except at the magnetic equator. Over the N. magnetic pole the north-seeking end of the needle points directly downwards and dips at an intermediate angle at intermediate distances between the magnetic poles and equator. There are secular progressive variations of dip as well as of declination and the maxima are independent of each other. In ​1576 the dip at London was 71° 50′, in 1720 (max.) 74° 42′, in 1900 67° 9′. (For Dip Circle see Inclinometer.)
# 1911 Encyclopædia Britannica/Diphenyl

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​DIPHENYL (phenyl benzene), C$_6$H$_5$·C$_6$H$_5$, a hydrocarbon found in that fraction of the coal-tar distillate boiling between 240-300° C., from which it may be obtained by warming with sulphuric acid, separating the acid layer and strongly cooling the undissolved oil. It may be artificially prepared by passing benzene vapour through a red-hot tube; by the action of sodium on brombenzene dissolved in ether; by the action of stannous chloride on phenyldiazonium chloride; or by the addition of solid phenyldiazonium sulphate to warm benzene (R. Möhlau, Berichte, 1893, 26, 1997) C$_6$H$_5$N$_2$·HSO$_4$ + C$_6$H$_6$ = H$_2$SO$_4$ + N$_2$ + C$_6$H$_5$·C$_6$H$_5$. L. Gattermann (Berichte, 1890, 23, 1226) has also prepared it by the decomposition of a solution of phenyldiazonium sulphate with alcohol and copper powder. It crystallizes in plates (from alcohol) melting at 70-71° C. and boiling at 254° C. It is oxidized by chromic acid in glacial acetic acid solution to benzoic acid, dilute nitric acid and chromic acid mixture being without effect. It is not reduced by hydriodic acid and phosphorus, but sodium in the presence of amyl alcohol reduces it to tetrahydrodiphenyl C$_{12}$H$_{14}$.
Many substitution derivatives are known: the monosubstitution derivatives being capable of existing in three isomeric forms. Of the disubstitution derivatives the most important are those derived from diparadiaminodiphenyl or benzidine (q.v.).
Orthoaminodiphenyl, is prepared by the action of bromine and caustic soda on orthophenylbenzamide (R. Hirsch, Berichte, 1892, 25, 1974); when its vapour is passed over heated lime, carbazol (q.v.) is formed.
Diorthodiaminodiphenyl, is obtained by the reduction of the corresponding nitro compound (obtained by the action of ethyl nitrite at 0° C. on metadinitrobenzidine hydrochloride). Its tetrazo compound on reduction gives a hydrazine which, on warming with hydrochloric acid at 150° C., decomposes into ammonium chloride and phenazone, (C$_{12}$H$_8$N$_2$). One of the most important derivatives of diphenyl, from the theoretical point of view, is diphenic acid or diorthodiphenyl carboxylic acid, which can be obtained from diparadiaminodiphenyldiorthocarboxylic acid, or from phenanthrene (q.v.), the constitution of which it determines. See Benzidine for diparadiaminodiphenyl.
# 1911 Encyclopædia Britannica/Diopside

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​Several varieties, depending on differences in structure and chemical composition, have been distinguished, viz. coccolite (from κόκκος, a grain), a granular variety; salite or sahlite, from Sala in Sweden; malacolite; diallage; violane, a lamellar variety of a dark violet-blue colour; chrome-diopside, a bright green variety containing a small amount of chromium; and many others. Belonging to the same series with diopside and hedenbergite is a manganese pyroxene, known as schefierite, which has the composition (Ca, Mg) (Fe, Mn) (SiO$_3$)$_2$.
Diopside is the characteristic pyroxene of metamorphic rocks, occurring especially in crystalline limestones, and often in association with garnet and epidote. It is also an essential constituent of some pyroxene-granites, diorites and a few other igneous rocks, but the characteristic pyroxene of this class of rocks is augite. Fine transparent crystals of a pale green colour occur, with crystals of yellowish-red garnet (hessonite) and chlorite, in veins traversing serpentine in the Ala valley near Turin in Piedmont: a crystal of this variety (“alalite”) is represented in the accompanying figure. These, as well as the long, transparent, bottle-green crystals from the Zillerthal in the Tyrol, have occasionally been cut as gem-stones. Good crystals have been found also at Achmatovsk near Zlatoust in the Urals, Traversella near Ivrea in Piedmont (“traversellite”), Nordmark in Sweden, Monroe in New York, Burgess in Lanark county, Ontario, and several other places: at Nordmark the large, rectangular black crystals occur with magnetite in the iron mines. (L. J. S.)
# 1911 Encyclopædia Britannica/Feltham, Owen

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​FELTHAM, or Felltham, OWEN (d. 1668), English moralist, was the son of Thomas Feltham or Felltham of Mutford in Suffolk. The date of his birth is given variously as 1602 and 1609. He is famous chiefly as the author of a volume entitled Resolves, Divine, Moral and Political, containing one hundred short and pithy essays. To later issues of the Resolves Feltham appended Lusoria, a collection of forty poems. Hardly anything is known of his life except that T. Randolph, the adopted “son” of Ben Jonson, addressed a poem of compliment to him, and became his friend, and that Feltham attacked Ben Jonson in an ode shortly before the aged poet’s death, but contributed a flattering elegy to the Jonsonus Virbius in 1638. Early in life Feltham visited Flanders, and published observations in 1652 under the title of A Brief Character of the Low Countries. He was a strict high-churchman and a royalist; he even described Charles I. as “Christ the Second.” Hallam stigmatized Feltham as one of our worst writers. He has not, indeed, the elegance of Bacon, whom he emulated, and he is often obscure and affected; but his copious imagery and genuine penetration give his reflections a certain charm. To the middle classes of the 17th century he seemed a heaven-sent philosopher and guide, and was only less popular than Francis Quarles the poet.
Eleven editions of the Resolves appeared before 1700. Later. editions by James Cumming (London, 1806; much garbled; has account of Feltham’s life and writings), and O. Smeaton in “Temple Classics” series (London, 1904).
# 1911 Encyclopædia Britannica/Felloe

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​FELLOE, the outer rim of a wheel, to which the spokes are attached. The word is sometimes spelled and usually pronounced “felly.” It is a Teutonic word, in O. Eng. felg, cognate with Dutch velge, Ger. Felge; the original Teutonic root from which these are derived probably meant “to fit together.”
# 1911 Encyclopædia Britannica/Fellow

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​FELLOW, properly and by origin a partner or associate, hence a companion, comrade or mate, as in “fellow-man,” “fellow-countryman,” &c. The word from the 15th century has also been applied, generally and colloquially, to any male person, often in a contemptuous or pitying sense. The Old English féolage meant a partner in a business, i.e. one who lays (lag) money or property (féoh, fee) together for a common purpose. The word was, therefore, the natural equivalent for socius, a member of the foundation of an incorporated college, as Eton, or a college at a university. In the earlier history of universities both the senior and junior members of a college were known as “scholars,” but later, as now, “scholar” was restricted to those members of the foundation still in statu pupillari, and “fellow” to those senior graduate members who have been elected to the foundation by the corporate body, sharing in the government and receiving a fixed emolument out of the revenues of the college. It is in this sense that “fellow” is used at the universities of Oxford and Cambridge and Trinity, Dublin. At these universities the college teaching is performed by those fellows who are also “tutors.” At other universities the term is applied to the members of the governing body or to the holders of certain sums of money for a fixed number of years to be devoted to special study or research. By analogy the word is also used of the members of various learned societies and institutions.