Here are the oldest and most celebrated copper mines in Europe.
She hadn't noticed his pallor beneath his copper skin, but she saw it now.
Kris.s eyes flared copper, then amber.
The joists are covered with a waterproof material such as asphalt, lead, zinc or copper, the three last materials being usually laid upon boarding, which stiffens the structure and forms a good surface to fix the weatherproof covering upon.
The principal deposits of copper in New South Wales are found in the central part of the state between the Macquarie, Darling and Bogan rivers.
He couldn't wait to list his rusty tins, copper mugs, and brass candle sticks on an Internet auction site.
Berzelius took 8 grams of copper, converted it into the coloured chloride, and sealed up the whole of this in solution, together with a weighed strip of copper.
There are mines of silver, copper, lignite and salt, and many hot springs, including some of great repute medicinally.
Iron and copper founding, brewing, tanning, and the manufacture of gunpowder, confectionery, heavy iron goods, gloves, boots and shoes and cotton goods are also carried on.
Thus at Ozieri the men wear ordinary jackets and trousers with a velvet waistcoat; the shepherds of the Sulcis wear short black trousers without kilt and heavy black sheepskin coats, and the two rows of waistcoat buttons are generally silver or copper coins.
The Golden Temple is so called on account of its copper dome, covered with gold foil, which shines brilliantly in the rays of the Indian sun, and is reflected back from the waters of the lake; but the building as a whole is too squat to have much architectural merit apart from its ornamentation.
Widnes is one of the principal seats of the alkali and soap manufacture, and has also grease-works for locomotives and waggons, copper works, iron-foundries, oil and paint works and sail-cloth manufactories.
The city has extensive manufactures of heavy machinery, electric supplies, brass and copper products and silk goods.
Copper is smelted in Ardennes and Pas-de-Calais.
P. 299), or by the addition of a concentrated solution of potassium cyanide to one of copper sulphate, the mixed solutions being then heated.
Their produce has gradually decreased since the 17th century, and is now unimportant, but sulphate of copper, iron pyrites, and some gold, silver, sulphur and sulphuric acid, and red ochre are also produced.
The low quotations which ruled for a number Copper of years had a depressing effect upon the industry, and many mines once profitably worked were temporarily closed, but in 1906 there was a general revival.
For the period of thirty years during which the mine was worked the production of ore amounted to 234,648 tons, equal to 51,622 tons of copper, valued at £4,749,924.
The satisfactory price obtained during recent years has enabled renewed attention to be paid to copper mining in South Australia, and the production of the metal in 1905 was valued at £470,324.
The principal items of export are wool, skins, tallow, frozen mutton, chilled beef, preserved meats, butter and other articles of pastoral produce, timber, wheat, flour and fruits, gold, silver, lead, copper, tin and other metals.
Iron, coal and slate are the chief products, and copper and cobalt may be added.
Copper and lead are found in several parts of the Aravalli range and of the minor ridges in Alwar and Shaikhawati, and iron ores abound in several states.
Alum and blue vitriol (sulphate of copper) are manufactured from decomposed schists at Khetri in Shaikhawati.
Copper wire weighing 600 and 800 lb per mile has also been used to some extent.
Connexion is made into the office (or to the underground system, as is often the case) from the aerial wire by means of a copper conductor, insulated with gutta-percha, which passes through a " leading in " cup, whereby leakage is prevented between the wire and the pole.
Gutta-percha-covered copper wires were formerly largely used for the purpose of underground lines, the copper conductor weighing 40 lb per statute mile, and the gutta-percha covering 50 lb (90 lb total).
The copper tray hit the bottom of the can with a loud clatter, spewing ashes into the stale office air.
Two chlorides of copper are known, one a highly coloured substance, the other quite white.
In a series of repetitions of the experiment, by different observers, the following numbers were obtained for the ratio of the copper in the two chlorides: 1.98, 1.97, 2.03, 2.003, the mean value being 1.996.
Near the source of the Tigris, at Arghana-Ma'den, are copper mines.
Iron and coal are probably abundant, and silverlead, copper and antimony are believed to exist.
In the aerial or overground system of land telegraphs the use of copper wire has become very general.
Copper is not yet universally employed, price being the governing factor in its employment; moreover, the conducting quality of the iron used for telegraphic purposes has of late years been very greatly improved.
The sizes of copper wire employed have weights of too, 150, 200 and 400 lb per statute mile, and have electrical resistances (at 60° F.) of 8.782, 5.8 55, 4.39 1 and 2.195 standard ohms respectively.
Copper wires insulated with carefully dried paper of a special quality, has practically entirely superseded the use of wires insulated with gutta-percha.
Cotton, cloth, gold and silver ornaments, copper wares, fancy articles in bone and ivory, excellent saddles and shoes are among the products of the local industry.
The copper mines of South Australia were for the time deserted, while Tasmania and New Zealand lost many inhabitants, who emigrated to the more promising country.
Copper is known to exist in all the states, and has been mined extensively in South Australia, New South Wales, Queensland and.
In northern Queensland copper is found throughout the Cloncurry district, in the upper basin of the Star river, and the Herberton district.
The returns from the copper fields in the state are at present a little over half a million sterling per annum, and would be still greater if it were not for the lack of suitable fuel for smelting purposes, which renders the economical treatment of the ore difficult; the development of the mines is also retarded by the want of easy and cheaper communication with the coast.
In Western Australia copper deposits have been worked for some years.
Tasmania is now the largest copper-producing state of the Commonwealth; in 1905 the output was over £672,010 and in earlier years even larger.