Word: ores
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Dates: during 1920-1929
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...Magnesite is an ore much mined in the U. S. In its crude form it is used for steel making. With lime, it is a filler in rubber making. It is also used in fireproof cement and insulating materials. . . . The President raised the U. S. tariff 50% on imported magnesite...
...Williston-Beale Scholarship, established in 1926 by two Law students of the Class of 1905 in honor of their teachers, Professor Williston and Professor Beale, has been awarded to William Gosslin of Portland, Ore...
...Pugsley Scholarships in International Law were awarded to Alastair MacKinnon, of Halifax, N. S., and Frank Randall of Portland, Ore...
Some deposits which are apparently rich and deep prove to be only a thin layer of profitable ore over worthless rock. Electrical instruments are being devised to register not only the presence of metals, but the extent of the ore pocket, and so prevent wasted efforts. Metals have a decided influence upon delicate electrical mechanism, and the various effects of each metal give a key to the nature of the concealed deposit...
...special study of the Mining Geology department this year is the microscopic structure of ores. A special petrographic microscope is employed, by means of which the peculiar properties of various ores can be analyzed. The distance of a given sample of ore from a center of oxidation, where the ore is most concentrated, can be estimated in this...