Search Details

Word: copper (lookup in dictionary) (lookup stats)
Dates: during 1930-1939
Sort By: most recent first (reverse)


Usage:

...high-voltage cables, the insulation consists of paper tapes wound around the copper conductor, and impregnated with some heavy insulating oil: the whole is enclosed in a lead sheath. During the process of manufacture, air is inevitably occluded within the insulation and later while the cable is in operation gases are evolved from the oil. With high operating voltages these gases become ionized, and, striking the paper tapes, in time destroy them, literally by bombardment. In addition the heat generated chars the insulation and disintegrates the oils so that the combined effects have made high voltage cables the most unreliable...

Author: NO WRITER ATTRIBUTED | Title: Destruction of Underground Cables by Gases Generated at High Voltages Under Investigation at Engineering School | 3/12/1930 | See Source »

...handsomely. Now on the board of trustees with him are personages like Henry Mauris Robinson (banks, Dawes Plan, Hoover crony); Harry Chandler (Los Angeles Times, real estate developer) ; William Lincoln Honnold (mining engineer, Hoover friend); Henry William O'Melveny (lawyer, banker); Allan Christopher Balch (utilities); Louis Davidson Ricketts (copper miner, brother of President Palmer Chamberlaine Ricketts of Rensselaer Polytechnic Institute...

Author: /time Magazine | Title: Science: Caltech's Telescope | 3/10/1930 | See Source »

Guggenheim Bros. Although many rumors flew wild during the "then disturbed stock market situation," announcement that the Guggenheims had participated in the Consortium came as a surprise to Wall Street. The chief Guggenheim companies, and the ones to whose aid they probably came, are American Smelting & Refining, and Kennecott Copper...

Author: /time Magazine | Title: Business: Pivots & Guggenheim | 3/10/1930 | See Source »

Although the Guggenheim Brothers work as a unit with majority vote ruling, Daniel is the recognized patriarch and is given the most credit for their expansion. He spread their interests to Alaska, Mexico, South America. Asia and Africa. The firm organized the Chile Copper Co., producing copper 9.500 ft. above sea level. In Chile, Daniel developed a new process for nitrate manufacture, and the firm has large holdings in this industry. For service in Belgian Congo, including metal and diamond mining, Daniel was made a Commander of the Order of the Crown of Belgium...

Author: /time Magazine | Title: Business: Pivots & Guggenheim | 3/10/1930 | See Source »

Advertisement Distinguished for its Effective Use of Typography ($1,000)-won by Kenyon & Eckhardt Inc. (Manhattan), for their Revere Copper & Brass Inc. double-page magazine spread: "The Smoke Marks Paul Revere's Foundry...

Author: /time Magazine | Title: The Press: Harvard Awards | 3/10/1930 | See Source »

Previous | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | Next