Yarn
any textile fiber prepared for weaving into cloth. Cotton yarn is numbered according to the number of hanks contained in a pound of 7,000 grains. Each hank, or skein, measures 840 yards. Worsted yarn has 560 yards to the skein; woolen yarn has 1,600 yards to the skein or run. Linen yarn is wound upon reels, and made up into leas, hanks, and bundles. Flax and jute yarn is numbered according to the number of leas of 300 yards per pound.
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Yarra-Yarra
the Australian river on which Melbourne, Victoria, is situated; length about 100 miles. On account of falls it is not navigable above Melbourne. See MELBOURNE.
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Yarrow
or Milfoil, a hairy, erect roadside weed from Europe. It has a flat top of small white flowers. It belongs to the composite family. The leaves are soft and dusty, from two to four inches in length, and are cut into many fine segments. Yarrow is held in repute as a medicinal plant. Yarrow tea is an old household remedy for loss of appetite and for diarrhea. Tincture of yarrow used as an ointment, has a tanning, puckering effect like that of alum. It arrests bleeding. Yarrow plays its part in the folk-lore of Scotland. The lass desiring to see the face of her future husband puts yarrow under her pillow and repeats this rhyme before going to sleep: Thou pretty look of Venus'-tree Thy true name it is Yarrow; Now who my bosom friend must be, Pray tell thou me tomorrow.
a celebrated stream of Selkirkshire, Scotland. It forms two beautiful lakes known as the Loch of the Lowes and St. Mary's Loch. It has a course of sixteen miles through Ettrick Forest, emptying into the Ettrick, near Selkirk. The braes of Yarrow are celebrated in literature. Sir Walter Scott was descended from Auld Watt and "his fair dame, the flower of Yarrow." Wordsworth made this stream the theme of three poems: Yarrow Unvisited, Yarrow Visited, and Yarrow Revisited.
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Yauhahu
A spirit. (See American Indians.)
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Yazoo City
a city and county-seat of Yazoo co., Miss.; on the Yazoo river and on the Yazoo and Mississippi Valley railroad; 45 miles N. W. of Jackson. It is in an extensive corn and cotton-growing section. Here are waterworks, a sewer system, electric lights, National and other ba banks, and a number of weekly newspapers. It has large lumber interests, a large cotton seed oil plant, etc. Pop. (1910) 6,796; (1920) 5,244. YAZOO RIVER (from an Indian word meaning "river of death"), a tributary of the Mississippi. It lies throughout its whole extent in the State of Mississippi. The Yazoo proper, formed by the confluence of the Tallahatchie and the Yalobusha, originates near Greenwood, and after a deep, slow, tortuous S. W. course of 290 miles enters the Mississippi 12 miles above Vicksburg. It traverses a fertile country, and is throughout navigable. The waters of the Tallahatchie are partly received from the Mississippi itself, and, but for a slight obstruction, steamers from the Mississippi might thus enter the Yazoo at its extreme source, and after traversing its whole length re-enter the Mississippi at Vicksburg.
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Yeats
WILLIAM BUTLER, an Irish poet; born in Dublin, Ireland, June 13, 1865. He wrote: "The Wanderings of Oisin" (1889); "John Sherman" (1893); "The Countess Kathleen" (1892); "A Book of Irish Verse" (1895); "The Secret Rose" (1897); "The Wind Among the Reeds" (1899); "Reveries from Childhood and Youth" (1916).
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Yeddo
. See Tokio
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Yell
the second largest of the Shetland Islands; separated from the mainland by Yell Sound; 25 miles N. of Lerwick. It is about 17½ miles in length, and from half a mile to 6 miles in breadth. The surface is chiefly moorland, and fishing is the leading employment.
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Yellow
one of the primary colors. If light be decomposed by a prism, yellow may be found in the spectrum between the orange and green. Combined with blue it yields green; red and yellow produce orange. Yellow is a favorite color in nature. It is the color of the buttercup and of the harvest. Yellow silk is the garb of the Chinese mandarin of high rank.
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Yellow Brass
Bright-yellow brass or Bristol-sheet is composed of copper 16, zinc 6. Copper 16 and zinc 5 is Dutch alloy, which is a deeper yellow; and a very deep yellow, called pinchbeck, semilor, and bath-metal, is composed of copper 16, zinc 4. Good yellow-brass wire is copper 16, zinc 7; and good ordinary brass, bright yellow, is copper 16, zinc 8. Copper 16, zinc 9 makes a full yellow brass, usually called Muntz's extreme. Sheathing is composed of copper 16, zinc 10; and a paler yellow is copper 16, zinc 12, which is a good solder for copper or iron. Pale-yellow dipping-brass is composed of copper 16, zinc 14. Yellow brass is made sensibly harder by adding from 1/4 to 1/2 oz. of tin, and from 1/4 to 1/2 oz. of lead increases its malleability and makes it more fluid. These proportions are to the pound of mixed brass.
Only in The Encyclopedia of Founding
Yellow Dipping-metal
Copper 32 pounds, zinc 2 pounds, soft solder 2 1/3 ounces. For soft-solder mixture, See SOLDER. See DIPPING. Yellow Iron Pyrites, or Sulphuret of Iron, is brass-yellow in color; occurs crystallized, capillary, massive, disseminated, and cellular; it is hard, brittle, and lustrous. This sulphuret is often very beautiful, having crystals, resembling burnished gold, from the size of a small grain up to two inches diameter. Fusible, with a strong odor of sulphur, into a magnetic globule. Composition: iron 47.85, sulphur 52.15; specific gravity 4.8. See SULPHUR.
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Yellowhammer
. See Woodpecker
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Yellowstone
a river of the United States, which rises in the Rocky Ly lon. Mountains, about lat. 44° N. and 110° W. After a course of about 25 miles it passes through the lake of the through the same name, and runs N. . Soon after Yellowstone National Park at issuing from the lake the river makes intervals a series of falls (the last being 300 feet high), and traverses cañons, , is 30 one of which, the Great Cañon miles in length, its steep sides being colored in bright hues and shaped in forms. Rungreat variety of fantastic ultining in a N. E. direction the river 48° mately joins the Missouri about lat. N., after a course of about 1,100 miles. Steamers can ascend it for 300 miles to its the mouth of the Big Horn, which is largest affluent.
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