These two things are done simultaneously by heating and melting the ore in contact with coke, charcoal or anthracite, in the iron blast furnace, from which issue intermittently two molten streams, the iron now deoxidized and incidentally carburized by the fuel with which it has been in contact, and the mineral matter, now called " slag."
Until 644 the island was exceedingly prosperous, but in that year began the period of Arab invasions, which continued intermittently until 975.
Ruapehu (9100 ft.) is intermittently active, and Ngauruhoe (75 1 5 ft.) emits vapour and steam incessantly.
The whole system is volcanic, and a considerable number of volcanoes are still intermittently active, noticeably in central and southern Chile.
In April 1865 an Indian war broke out under the leadership of Blackhawk, which lasted intermittently until the end of 1867.
In estimating the evaporation to be deducted from the rainfall for the purpose of determining the flow into a reservoir, it is important to bear in mind that the loss from a constant water surface is nearly one and a half times as great as from the intermittently saturated land surface.
On the introduction of the Waterworks Clauses Act 1847, an impetus was given to high-pressure supplies, and the same systems of distributing mains were frequently employed for the purpose; but with few exceptions the water continued to be supplied intermittently, and cisterns or tanks were necessary to store it for use during the periods of intermission.
This second feudal rebellion was only a distraction to William from his war with his brother Robert, which continued intermittently all through the earlier years of his reign.
The burnings began with that of William Sawtr, a London vicar, on the 2nd of March 1401; they continued intermittently throughout the reign.
Again, the states, intermittently convoked according to the kings good pleasure, exercised neither periodical rights nor effective control, but fulfilled a duty which was soon felt as onerous.
The two adversaries had each the same scheme of government: each wanted to take charge of Charles VI., who was intermittently insane, and to exclude his rival from the pillage of the royal exchequer; but this rivalry of desires brought them into opposition on all the great questions of the daythe war with England, the Great Schism and the imperial election.
The district of Hofrat-el-Nahas (the copper mine) is rich in copper, the mines having been worked intermittently from remote times.
To that end Kutuzov's activity was directed during the whole campaign from Moscow to Vilna--not casually or intermittently but so consistently that he never once deviated from it.
In 1242 he led an expedition to Gascony which terminated disastrously with the defeat of Taillebourg; and hostilities with France were intermittently continued for seventeen years.
It is worked intermittently by White Karens on the upper waters of the Hkemapyu stream.
The deposit from this solution even with low currentdensities is pulverulent and non-coherent, and therefore during electrolysis wooden scrapers are automatically and intermittently passed over the surface of the cathode to detach the loose silver, which falls into cloth trays at the bottom of the tanks.
The struggle continued intermittently until 1400, when the citizens were decisively defeated and submitted.
On the upper frcntier, which is now Aragon, the Visigoth Beni-Casi ruled, doing homage and paying tribute intermittently, supported by a loyal population of native Mahommedans, whose Christian or nominally Christian fathers had been their followers before the conquest.
Thus began the so-called Northern War, which lasted intermittently for more than twenty years, and was terminated by the treaty of Nystad (Sept.
From this time forward the history of Bikanir was mainly that of the wars with Jodhpur, which raged intermittently throughout the 18th century.
Hostilities continued intermittently until John of Castile died, without leaving issue by Beatrice, in 1390.
Whether continuous current or alternating current, and if the latter, whether monophase or polyphase; (ii) according to whether they record intermittently or continuously; (iii) according to the principle of their action, whether mechanical or electrolytic; (iv) according to the nature of the measurement, whether quantity or energy meters.
The great drainage scheme which completed the works of the 17th century by taking out the surplus waters of the southern lakes of the valley of Mexico was devised in 1856, begun under Maximilian, proceeded with intermittently till 1885, then taken up with improved plans, practically completed by 1896, and inaugurated in 1900; 2 the harbour of Vera Cruz was finished in 1902; the Tehuantepec railway, likely to prove a formidable rival to any interoceanic canal, was opened on the 24th of January 1906.
Casual excavations were made here in 1744 and 1833; more systematic ones intermittently between 1864 and 1884 by the Rev. J.
A considerable business is done with European countries in doubled yarns and in fine counts of Egyptian, including "gassed" yarns, which are also sent intermittently to Japan.
During the 6th and 7th centuries the Saxons were intermittently under Frankish supremacy, but their conquest was not complete until the time of Charlemagne.
There, too, as sometimes in 1815, he began to suffer intermittently from ischury, but to no serious extent.
The dissatisfaction which this exercise of the royal prerogative aroused induced the king, in the following year, to withdraw his proclamation, and, notwithstanding appeals to him, the persecution continued intermittently throughout his reign.
Such an intermittently applied stress is far more destructive to iron than a continuous one, and even if it is only half that of the limit of elasticity, its indefinite repetition eventually causes rupture.
The war continued intermittently till 1201, when Duke Valdemar, Canute's younger brother, conquered the whole of Holstein, and Duke Adolf was subsequently captured at Hamburg and sent in chains to Denmark.