Word: copper
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Dates: during 1920-1929
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...Copper Cu 63.57 Iron...
...Electrical Engineering Department of the Harvard Engineering School, at the present time, is engaged in the study of the properties of electrical insulation. As is well known, electrical engineering involves the use of three types of materials: conducting materials such as copper and aluminum; magnetic materials such as iron and steel from which magnets are made; and insulating materials such as rubber paper, cotton, oils, porcelain, and other similar materials which have the property of insulating the electric circuit. It is only by employing insulating materials that electric currents can be made to flow in the electric conductors. Otherwise, they...
Earnings. In connection with the offering to the public of the former British stock the figures on production and earnings in recent years showed that from 1924 to 1927 with production ranging from 175,000,000 to 207,000,000 Ibs. of copper a year its earnings ranged from $2,000,000 to $5,000,000. In 1928, however, with estimated production of 208,000,000 Ibs., its estimated earnings were $10,000,000. This disproportionate increase is a result of recent rises in the price of copper. The average price received for its product...
...Bridgeport Brass Co., Bristol Brass Co., American Copper Products...
...many years ago in U. S. industry that business was thought of largely in terms of great basic commodities. Iron, steel, leather, lumber, copper, flour-these and similar staples constituted almost the entire structure of U. S. industry. That they still remain the backbone, the foundation, of industry is undeniable. Yet many of today's most successful industrial enterprises, remarkable both in their size and in their earnings, belong to the nonessential classifications...