"Electric furnace" Quotes from Famous Books
... step in the production of the metal dates from the time that the mineral bauxite, a hydroxide of aluminium and iron, was decomposed in the electric furnace. The process has been repeatedly improved, and under the patents covered by the Hall process the crude metal is now produced at a market price of about eighteen cents per pound. The entire production of the United States is controlled by the Pittsburg Reduction Company, ... — Commercial Geography - A Book for High Schools, Commercial Courses, and Business Colleges • Jacques W. Redway
... "Attempts to thus manufacture diamonds have frequently been made. A Mr. Acheson, of Pittsburg, while so engaged, and in obtaining graphite from coal by the heat of an electric furnace, discovered that combination of silicon and carbon now known as carborundum, which has commercial ... — With Links of Steel • Nicholas Carter
... work, metal spinning, silver working, making model engines, boilers, and water motors; making telescopes, microscopes and meteorological instruments, electrical chimes, cabinets, bells, night lights, dynamos and motors, electric light and electric furnace, and many other useful articles for the home and workshop. It appeals to the boy as well as the more mature amateur, and tells how to make things, the right way, ... — Practical Pointers for Patentees • Franklin Cresee
... Wohler first made calcium carbide, and found that water decomposed it into lime and acetylene. It was not, however, until 1892 that the almost simultaneous discovery was made by T. L. Willson in America and H. Moissan in France that if lime and carbon be fused together at the temperature of the electric furnace, the lime is reduced to calcium, which unites with the excess of carbon present to ... — Project Gutenberg Encyclopedia
... extremely difficult to arrive at a precise notion of the temperature of the body of the sun. However, it is far in excess of any temperature which we can obtain here, even in the most powerful electric furnace. ... — Astronomy of To-day - A Popular Introduction in Non-Technical Language • Cecil G. Dolmage |