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Updated: June 10, 2025
Magnetic concentration, or the separation of an ore from the waste gangue by the attraction of powerful electro-magnets, must therefore occupy a much more prominent place in the metallurgy of the future than it has in that of the past.
In other words, a grinding plant, purposely designed to carry out its work in exactly the opposite way to that which has been described as the system aimed at in ordinary crushing machinery, has its place in the future of metallurgy.
The Stockholm Technical School, which is the most complete, comprises five branches: mechanical technology and machinery, shipbuilding and electrotechnics; chemical technology; mineralogy, metallurgy, and mining mechanics; architecture; engineering. The course in each of these sections takes between three and four years. Generally several are combined, constituting a course of six or seven years.
"We've been working something out," said Mike, firmly but in part untruthfully. He stood sturdily before the major's desk, which he barely topped. "The four of us have been working it out. Joe says they've done powder metallurgy welds, back at his father's plant. Joe and Haney and the Chief and me, we've been working out an idea." Major Holt waited. His hands moved nervously on his desk.
The third great work of metallurgy which Hiram constructed for Solomon was "the molten sea." This was an enormous bronze basin, fifteen feet in diameter, supported on the backs of twelve oxen, grouped in sets of three. The basin stood fourteen or fifteen feet above the level of the Temple Court, and was a vast reservoir, always kept full of water, for the ablutions of the priests.
Ships were regarded as their invention, and a sculptured image of some one or other of them was always placed on every Phoenician war-galley, either at the stern or stem of the vessel. They were also viewed as presiding over metals and metallurgy, having thus some points of resemblance to the Greek Hephaestus and the Latin Vulcan.
The art seems to have been well known in Germany in the Middle Ages, and the process is on the whole very faithfully described by Agricola in his great work on Metallurgy. England then produced very little steel, and was mainly dependent for its supply of the article upon the continental makers.
"From 1865 to 1871 he devoted his time and his savings to hard study in the best of schools, finishing a master of his profession a mining engineer and expert in assaying and metallurgy. From 1871 to 1882 he was general manager of a wealthy mining company in Colorado at a large salary, making a name for himself as one of the most skillful and successful men in the profession.
Edison selected a company of the foremost astronomers, archaeologists, anthropologists, botanists, bacteriologists, chemists, physicists, mathematicians, mechanics, meteorologists and experts in mining, metallurgy and every other branch of practical science, as well as artists and photographers.
Vocational, or professional, training in universities should leave most of the actual practice to be gained in actual experience and work after graduation. If the student is well-grounded in the fundamental science of mining and metallurgy, in geology and chemistry and physics and mechanics, he can quickly pick up the routine methods of practice. And he can do more.
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