Once proprietor of a rich silver mine, then of a flourishing hacienda de beneficio, he had seen the thread of silver fail in the borrasca,[28] and the want of capital had forced him to suspend his metallurgic operations.
Long strings of mules, laden with ore, were slowly making their way to one of those metallurgic establishments known in Mexico as a hacienda de platas.
I cannot get over this hiatus--cannot imagine a metallurgicindustry beginning with the use of alloys.
The ancient bronze shield is of common occurrence both in Britain and Ireland, and forms one of the most ingenious specimens of primitive metallurgic art.
The metallurgic arts, and the models by which their earliest application was guided, were in all probability introduced by a new race, who followed in the wake of the older wanderers from the same Eastern cradle-land of the human race.
John Lane Buchanan, visiting these islands nearly a century later, found the same customs unchanged, and the primitive metallurgic arts of the ingenious Hebrideans not greatly in advance of the modern Asiatic Kurds.
Many of them, however, are found under circumstances which leave no room to doubt that they belong to a period coeval with the introduction of metals, and the skill acquired in the practice of the metallurgic arts.
Both the introduction of the metallurgic arts and the change of sepulchral rites may indeed be equally supposed to mark the influence, if not the advent, of a new race.
In fact the metallurgic industry occupies the second place after the mining industry which is the most centralized in France.
Nevertheless, the density of the population is much greater on certain points than on others, and in spite of the rapidity of means of communication, the mining and metallurgic centres are densely peopled.
It must be acknowledged that it was a magnificent piece of metal, a metallurgic production that did the greatest honour to the industrial genius of the Americans.
Owing to the natural progress and successive improvements made in metallurgic art, the blacksmith made his appearance on the scene and took the place of the bronze-moulder.
Nevertheless, the extraction of copper from the ores is an operation of such a delicate character, that it must have been beyond the reach of the metallurgic appliances at the disposal of men during the early pre-historic period.
Foremost among these, long anterior to the ‘metallurgic and other manufacturing skill,’ comes language.
Visible Ploughmen and Hammermen there have been, even from Cain and Tubalcain downwards; but where does your accumulated Agricultural, Metallurgic and other Manufacturing SKILL lie warehoused?
A series of continued successes would, we should think, by this time, have sufficed for the parturition of this metallurgic process, and the discovery would ere this have been introduced to the world, had there not been some drawbacks.
For a considerable time, the public has been treated to highly-colored accounts of a wonderful metallurgic process whereby the best iron and steel were said to be made, from the very worst materials, almost in the twinkling of an eye.
Of late he has devoted himself to improvingmetallurgic methods.
Notwithstanding the striking analogy which exists between common chemical andmetallurgic operations, since both are employed to isolate certain bodies from each other, there are essential differences which should be carefully noted.
In magneto-electric machines employed in electro-metallurgic operations, it is essential the current should be a direct one.
Impure and opaque vitriform masses are called slags; such are the productions of blast iron furnaces and many metallurgic operations.
Calamine, or silicate of zinc, is divided into two species; the prismatic or electric calamine, and the rhomboidal; though they both agree in metallurgic treatment.
This ore viewed as a metallurgic object, is one of the most interesting and valuable that is known; it affords natural steel with the greatest facility, and accommodates itself best to the Catalan smelting forge.
The metallurgic treatment of the quicksilver ores is tolerably simple.
In metallurgic works the first thing is to break the mixed ore into small pieces, in order to separate the valuable from the useless parts, by processes called stamping, picking, sorting.
Notwithstanding the striking analogy which exists between common chemical and metallurgic operations, since both are employed to insulate certain bodies from others, there are essential differences which should be carefully noted.
This is formed by the oxygenation of sulphuret of iron, and is unimportant in a metallurgic point of view.
This is the most important metallurgic species of copper ores.
The gold coin of the ancients was made chiefly out of alluvial gold, for in these early times the metallurgic arts were not sufficiently advanced to enable them to purify it.
There are only two ores of tin; the peroxide, or tin-stone, and tin pyrites; the former of which alone has been found in sufficient abundance for metallurgic purposes.
Coste and Perdonnet, have published two very copious accounts of their respective metallurgic tours in Great Britain, illustrated with plans and sections of our furnaces, for the instruction of the French nation.
Before entering into details of this laboratory, it will not be useless to recapitulate the metallurgic classification of the ores treated in it.
We have in the same volume a pretty detailed treatise on metallurgic pyrotechny and docimasy.
Maurice, the celebrated Elector of Saxony, settled on him a pension, the whole of which he devoted to his metallurgic pursuits.
Gellert’s Metallurgic Chemistry, so far as it goes, is an excellent book.
This last translation, in two large quartos, published in 1764, constitutes a very valuable book, and exhibits all the docimastic and metallurgic processes known at that period with much fidelity and minuteness.
The second volume treats of the various metallurgicprocesses followed in order to extract metals from their ores.
After taking his degree at Leyden, Eller returned to Germany, and devoted a considerable time to the study and examination of the mines of Saxony and the Hartz, and of the metallurgic processes connected with these mines.
Many are the plans extant, evincing great skill, perseverance, and everything needful in point of mechanical experience, but betraying a total ignorance of the metallurgic science and of practical results from the use of the engine.
The metallurgicindustry forms one of the most important branches of industry, because iron ore of excellent quality is extracted annually in great quantities.
The metallurgic fame of the Khalybes, who bordered on the Hittite territory, and may have belonged to the same race, was spread through the Greek world.
The mines of the Bulgar Dagh are an equally clear indication of their skill in mining and metallurgic work.
If these bronzes are to be regarded as the highest efforts of Hittite metallurgic work, it is not to be regretted that they are few in number.
Hence flint appears to have been no less in request among ancient tool-makers than copper, tin, and iron in the later periods of metallurgic art.
The implements and pottery recovered from graves of the period show their constructors to have been, for the most part, devoid of any knowledge of metals; or, at best, in the mere rudimentary stage of metallurgic arts.
But they knew it only as a kind of malleable stone; nor have they even now learned the application of fire in their simple metallurgic processes.
I cannot get over this hiatus; cannot imagine a metallurgic industry beginning with the use of alloys.
Still more, the great copper region of Lake Superior provided advantages such as have existed in few other countries of the known world for developing the first stages of metallurgic art on which civilisation so largely depends.
On this account, remains of ore are found in places where the moderns, in consequence of that indispensable article water, would not be able to maintain metallurgic works[839].
Remains of such mortars and mills as were used by the ancients have been found in places where they carried on metallurgic operations; for instance, in Transylvania and the Pyrenees.
Here then is an evident trace of metallurgic astronomy, as Borrichius calls it, or of the astronomical or mythological nomination of metals, though it differs from that used at present.
The name galena seems to have been borrowed from foreign metallurgic works, perhaps from the Spanish, as was conjectured by Agricola in Bermannus, p.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "metallurgic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
