Polishing
See Cleansing, Pickling and Polishing. For polishing of steel, pivots, etc. See Steel, Pivots, etc. POOLE, JOHN. An English chronometer maker of considerable fame and the inventor of the auxillary compensation which bears his name. He was born in 1818 and died in 1867.
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Polishing Agents
Various polishing agents are used by watchmakers, jewelers, gold and silversmiths, a few of which are here described. Where the article will admit of it, the best results are obtained by polishing in the lathe. For this purpose the watchmaker should not use his regular lathe, but should have for the purpose what is known as a polishing lathe, fitted with its various attachments in the shape of scratch-brushes, buffs, etc.
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Polishing Substances
The substances used by the worker in gems and precious stones are principally powdered diamond, sapphire, and ruby; for the several operations in the various metals, powdered corundum, emery, pumice-stone, flint, tripoli, rottenstone, chalk, oxide of tin, oxide of iron, etc., are used by metal-workers. For the first operations in glass-polishing, silex sand and water are used between the rubber and the glass, after which different grades of emery, and finally the putty powders, or oxide of tin. See throughout the work for a description of the substances mentioned.
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Political Parties
division of people in a State marked off by the particular views they hold as to the public of the people at large.
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Polka
a well known dance, the music to which is in ½ time, with the third quaver accented. There are three steps in each bar, the fourth beat is always a rest, the three steps performed on the three first beats of every bar.
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Poll Tax
a tax levied per head in proportion to the rank or fortune of the individual; a capitation tax. This tax was first levied in England in 1377 and 1380, to defray the expenses of the French War; its collection in 1381 led to the insurrection of Wat Tyler. In the United States a poll tax (varying from 25 cents to $3 annually) is levied in some of the States, in addition to the taxes on property. In some States its payment is a necessary prerequisite for voting.
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Pollack
Gadus pollachius, a common fish on British coasts, belonging to the cod, haddock, and whiting genus. It is about the size of the coal-fish, is active in habit, and is frequently caught. The lower jaw projects beyond the upper, and there is no barbel. In Scotland and in some parts of Ireland it is called lythe.
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Pollan
or POWAN, Coregonus pollan, from the Irish Lakes, somewhat resembling a herring (Clupea harengus), but with a remarkably short head and deep body.
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Polling
The operation of mixing metal by vigorous stirring with a rod of iron or pole of wood. Wood-polling is more effective especially when the wood is green, as it yields its juices in a gaseous form which causes the metal to bubble freely, and the operation is accelerated wonderfully. See COPPER.
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Pollio
CAIUS ASINIUS, a Roman soldier; born in Rome, 76 b. c.. He sided with Cæsar in the civil war fought at Pharsalia, and commanded in Spain against Sextus Pompeius, but was defeated. He sided with the triumvirs against the oligarchic senate, and was appointed by Antony to settle the veterans on the lands assigned them in Transpadane Gaul. It was now that he saved the property of the poet Vergil at Mantua from confiscation. After Antony and Octavian had quarreled, it was Pollio who effected their temporary reconciliation at Brundusium (40). This year he was consul, when Vergil's fourth eclogue was addressed to him. The year after he went to Greece as legate of Antony, and defeated the Parthini, a people of Illyria. This was the period of Vergil's eighth eclogue, also addressed to Pollio. Thereafter he withdrew altogether from political life, and survived till A. D. 4. Pollio was the first to establish a public library at Rome, and was the patron of Vergil, Horace, and other poets. His own orations, tragedies and history have perished.
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Pollok, Robert
Robert (1778-1827), the author of The Course of Time. His father was a small farmer in the parish of Renfrewshire, Scotland. Young Robert was trained at the University of Glasgow for the ministry of the Presbyterian church. While yet a student he wrote tales of the Covenanters and a poem designed to cover the entire spiritual life and destiny of man. This was his celebrated Course of Time. He survived its publication but six months, dying at the early age of twenty-nine. The poem on which his reputation rests is written from the Presbyterian point of view, and in its time had a great vogue. That he understood hypocrisy well may be seen from the following quotations: He was a man Who stole the livery of the court of Heaven To serve the Devil in. With one hand he put A penny in the urn of poverty, And with the other took a shilling out.
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Polonaise
a Polish national dance, which has been imitated, but with much variation, by other nations. The polonaise, in music, is a movement of three crotchets in a bar, characterized by a seeming irregularity of rhythm, produced by the syncopation of the last note in a bar with the first note of the bar following, in the upper part or melody, while the normal time is preserved in the bass.
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Poltava
or PULTAWA, a province of Russia, bounded by Czernigov, Kharkov, Ekaterinoslav, Kherson, and Kiev; area 19,265 square miles; pop. about 4,000,000. It is one of the most fertile and best cultivated portions of the Russian empire, and grows large quantities of grain. Live stock and bee rearing are important branches of the rural economy. Both manufactures and trade are of very limited extent. Poltava, the capital, the confluence of the Poltava with the Worskla, has straight and broad streets, a cathedral, etc. As a place of trade Poltava derives importance from the great fair held each year. Wool is the great staple of trade. Horses, cattle, and sheep are likewise bought and sold in great numbers. It contains a monument to Peter the Great, who here defeated Charles XII. in 1709. Pop. about 85,000.
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