These 12 listings are so strange that each appears in only one of the 7 encyclopedias we compared. They include such classics as Gold Hill, Gold of Pleasure, Gold Polishing Powder.
a former village of Nevada, 7,000 feet above the sea, and about a mile S. of Virginia City, to which it has been annexed. It has rich silver mines, and several quartz mills. Here, on Mount Davidson, is the famous Comstock lode.
Only in Collier's New Encyclopedia
a small genus of Cruciferæ. The common gold of pleasure (C. sativa) is an annual plant of humble appearance, but with abundant yellow flowers. It is most commonly known as a weed in lint fields, though it is also cultivated alone or mixed with rapeseed in parts of Germany, Belgium, and the S. of Europe for sake of the abundant oil contained in its seeds. Its seeds and oil cake are, however, inferior to those of lint, and its oil is apt to become rancid and is less valued than that of rape or colza. The crop is cut or pulled when the pouches begin to turn yellow. The stems are tough, fibrous, and durable, and are used thatching and for making brooms; their fiber is sometimes made into very coarse cloth and packing-paper. The seeds are used for emollient pou poultices. C. dentata is of similar habit and properties, but is not cultivated.
Only in Collier's New Encyclopedia
Important: Safety Warning This page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes. In addition, this page directs the use of hazardous substances — such as benzine, gasoline, lye, or strong acids — for household tasks. These materials are highly flammable, corrosive, or poisonous, and the practices described have caused fires, burns, and poisonings. This information has been left in for historical purposes but should not be acted upon. Mix together 4.3 parts of alumina, 17.4 of chalk, 4.3 of carbonate of lead, 1.7 of carbonate of magnesia, and 1.7 of rouge. Polishing Paste for Brass. Dissolve 15 parts of oxalic acid in 120 parts of boiling water and add 500 parts of pumice powder, 7 of oil of turpentine, 60 of soft soap, and 65 of fat oil. The polishing agent is usually mixed with oil, alcohol or water to prevent scattering, and is then applied by the polishing tool in the shape of cloth and leather buffs, polishing files, etc. Either the work or the tool should revolve with great velocity in order to secure good results. Many articles are brought to a high degree of polish by the use of the burnisher, after subjecting them to the action of the ordinary polishing agents. See Burnisher, also Buff.
Only in American Watchmaker and Jeweler
Gold solders should approach the articles to be soldered in both color and fusibility as nearly as possible. The following gold solders are in general use:
Only in American Watchmaker and Jeweler
A very thin spring made of gold, attached to the detent of a chronometer escapement. See Chronometer Escapement. GRAHAM, GEORGE. Born in Cumberland, England, in 1673 and died in 1751. He was buried in Westminister Abbey. He was the inventor of the mercurial pendulum (1715), the dead beat escapement for clocks, and is credited with being the inventor of the cylinder escapement.
Only in American Watchmaker and Jeweler
in bookbinding, ornaments impressed by the hot tool on goldleaf laid on book-covers, causing the metal to adhere. In contradistinction to blind tooling, which is the tool mark without the leaf.
Only in Collier's New Encyclopedia
Take gold of the same quality as the article to be soldered, and add 1/12 of silver and 1/24 of copper. A larger proportion of silver and copper may be added for articles not so fine. See SOLDERS. Gong-metal is composed of copper 78 to 80, tin 20 to 22. After casting, the metal is subjected to a process of hammering and annealing. Owing to the brittleness of the mixture, great care and judgment is required to beat it into the flat basin-shaped gong, which, when struck with the mallet, puts the metal into such an extraordinary state of vibration as to produce the piercing sound emitted. Annealing is obtained by heating to a dull red, and suddenly immersing in water. When cold, the hammering can be continued until a point of brittleness is reached, when a repetition of the annealing process is made necessary, and so on until completed. See ALLOYS; BRASS.
Only in The Encyclopedia of Founding
the prepared membrane of the cæcum of the It is used to separate the leaves of while under the hammer; thus it reduced to extreme thinness, and in state is used as an application to and wounds. Its manufacture is exoffensive.
Only in Collier's New Encyclopedia
a town of Silesia, on the Katzbach, 13 W. S. W. of Liegnitz. It owes origin and name to its former rich mines: suffered much from Monand Hussites, the Thirty Years ' the campaign of 1813, and finally great fires ( 1863-1874); manufactures of cloth, flannel, etc. and now about 7,000. COAST. See GUINEA
Only in Collier's New Encyclopedia
a term used both in mythology and history to designate a period of special prosperity and happiness. The mythological idea of a Golden Age which is common with most nations was of a time when earth yielded her fruits spontaneously, when man lived at peace with man and beast, when poverty and pain were unknown. The Greeks believed this happy state of things to have existed when Cronus, the Roman Saturn, reigned. After he was dethroned by Zeus conditions began to deteriorate. China, Egypt, Assyria, Media, Persia, each has its Golden Age. The reign of Elizabeth is called the Golden Age of England; the reign of Charles V, the Golden Age of Germany; the reign of Frederick the Great, the Golden Age of Prussia. See Hesiod
Only in Aiton's Encyclopedia
the Bay of Rieselarke, so named because its sands glitter like gold.
Only in Collier's New Encyclopedia
the name popularly given to many members of a genus , and of coleopterous insects, Chrysomela of a sub-family, Chrysomelinæ, belonging to the tetramerous section of the order. The body is generally short and convex, some of the species are destitute of wings. None are of large size, but many are distinguished by their metallic splentropdor of color. The finest species are ical, but some are found in Britaine. g., the golden C. cerealis with purple stripes found on Snowdon, and the brassy-green C. polita and C. staphylea commonly found on nettles in spring.
Only in Collier's New Encyclopedia