Electrical Engineering

Issue 8 • Aug. 1947

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  • [Front cover]

    Publication Year: 1947, Page(s): c1
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  • [Front inside cover]

    Publication Year: 1947, Page(s): c2
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  • Contents

    Publication Year: 1947, Page(s): 1
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  • [Advertisement]

    Publication Year: 1947, Page(s): 2A
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  • Highlights

    Publication Year: 1947, Page(s): 3A
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  • [Advertisement]

    Publication Year: 1947, Page(s):4A - 12A
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  • John Bayfield Macneill: Lamme medalist for 1946: The Lamme medal

    Publication Year: 1947, Page(s):747 - 748
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1895 KB)

    PRESENTATION of the Lamme Medal for 1946 to John Bayfield MacNeill (F '42) manager of the switchgear and control division of the Westinghouse Electric Corporation, was made June 11, 1947, during the AIEE summer general meeting at Montreal, Quebec, Canada. Mr. MacNeill was awarded the medal “for his foresight, leadership, and creative contribution in the development of switching equipment.&#... View full abstract»

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  • The medalist's career

    Publication Year: 1947, Page(s):748 - 750
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    THE GROWTH of almost every great industry rests upon the progressive development of one or more key auxiliaries, devices, or processes vital to its functioning. As an example, the railroads have the air brake and the block signal without which modern high-speed railway trains could not be operated. View full abstract»

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  • The switching of large power

    Publication Year: 1947, Page(s):750 - 753
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    THE GREAT GROWTH of power generation in the United States and Canada has imposed problems of control through switching operations that at times have seemed impractical, and the general progress in this phase of the industry seems to justify comment. With few exceptions our large systems, in contrast to continental European practice, are grounded, and line-to-ground faults become short circuits in ... View full abstract»

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  • The defense of North America

    Publication Year: 1947, Page(s):754 - 757
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    THE FACT that we properly can use the inclusive term “defense of North America” is significant, for it symbolizes the very remarkable position which has come about in the development of friendly and close relations between the nations of the North American continent; the words themselves betoken the fact that today within North America there are no frontiers in the sense of separatin... View full abstract»

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  • Electron radiation observed

    Publication Year: 1947, Page(s): 757
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    In 1944 two Russian physicists, D. Iwanenko and I. Pomeranchuk, pointed out that radiation should come from the electrons moving in circular orbits in a betatron. This effect, they said, would impose a limit on the simple betatron. At more than approximately 100 million volts, the electrons would radiate energy as fast as they received it unless proper compensation were made. View full abstract»

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  • Nature and use of piezoelectricity

    Publication Year: 1947, Page(s):758 - 762
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3171 KB)

    Piezoelectricity means “pressure electricity.” It refers to those electrical effects produced when certain crystals are compressed, and conversely, to the deformation of crystals in an electric field. Several hundred different crystals have been found to be piezoelectric, but the only ones that are of present practical importance are natural crystals of quartz and tourmaline, and art... View full abstract»

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  • Metallic rectifiers for motor power supply

    Publication Year: 1947, Page(s):763 - 764
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1627 KB)

    Metallic rectifier power packs have been in operation for about 18 months at the Buffalo, N. Y., plant of the Westinghouse Electric Corporation. The rectifier units fill the need for supplying d-c power for small d-c motors in scattered areas, and are claimed to have lower cost and higher efficiency than motor generator sets, with easier mounting and simplified maintenance. View full abstract»

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  • Modern ocean cable telegraphy

    Publication Year: 1947, Page(s):765 - 767
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    Transmission on long nonloaded submarine telegraph cables has been improved by application of efficient signal-shaping amplifiers, replacement of electromechanical receiving equipment, use of new artificial line networks and new methods of balancing, and increased sending voltages. With these improvements it became practicable to change from cable code recorder operation to printer operation and, ... View full abstract»

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  • Electrical standardization and AIEE

    Publication Year: 1947, Page(s):768 - 771
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    The complexity of the diagram of Standards committee procedures indicates that it is one of the busiest of AIEE committees. That it is one of the most far reaching in influence is apparent from this concise assessment of the magnitude of the committee's task in promoting uniform and sound engineering standards governing the applications of electricity. View full abstract»

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  • Short-circuit standards for transformers

    Publication Year: 1947, Page(s):771 - 773
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    System faults impose a great variety of short circuits on the windings of 3-winding transformers. Unfortunately, the present American Standard (C57) on short circuits is inadequate and subject to misinterpretation, particularly in the case of line-to-ground faults on Y-connected windings of transformers provided with delta-connected stabilizing windings. View full abstract»

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  • Electrometallurgy in Canada

    Publication Year: 1947, Page(s):774 - 778
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    Many metallurgical manufacturers in Canada have taken advantage of the tremendous hydroelectric developments there which provide an abundance of low-cost electric power. Fuel combustion heat is being replaced by electric heat for such processes as annealing and wire patenting, and more electric power is being used in induction heating for forging and hardening, regulation of smelting furnaces, and... View full abstract»

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  • Electrically conducting rubber

    Publication Year: 1947, Page(s): 778
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    For years it has been common practice in the rubber industry to add carbon black to rubber in order to improve mechanical properties such as increasing the wear resistance and strength. The United States Rubber Company now is utilizing the properties of carbon as an electric conductor in making a rubber product designed to carry current View full abstract»

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  • An A-C vehicle generating system

    Publication Year: 1947, Page(s):779 - 780
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    Wide speed-range operation is essential for vehicular generating systems, and only d-c machines have been practical to date. An alternator-rectifier system with high output and efficiency comparable with the d-c system is presented. View full abstract»

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  • Military communication equipment observed at winter tests

    Publication Year: 1947, Page(s):781 - 783
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    Task Force “Frost” operations during the months of January and February 1947 at Camp McCoy, Wis., were observed by representatives of several companies. Purpose of the task force was to service test items of equipment under heavy winter and simulated combat conditions. Observations and recommendations for improvement of the equipment tested are included. View full abstract»

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  • Capacitance effect of conductor in magnetic field

    Publication Year: 1947, Page(s):784 - 786
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1231 KB)

    The combination of a gaseous tube rectifier and a d-c motor recently has become quite popular, often with disastrous consequences for the gaseous tube. Behavior of a d-c motor is in many respects equivalent to that of a very large capacitor. An engineer aware of the severe conditions imposed on a gaseous rectifier feeding into a capacitor input filter, may connect a d-c motor to a gaseous rectifie... View full abstract»

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  • Controlling electrical hazards

    Publication Year: 1947, Page(s):786 - 792
    Cited by:  Papers (1)
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    This treatment of electrical hazards endeavors to rectify the condition of scanty, incomplete information or misinformation that is too common among a people experiencing greater and greater electrification of their home and industrial equipment. The behavior of electric currents and charges that makes for electrical hazards, what the accident statistics reveal, the physiological effects of electr... View full abstract»

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  • A-c power transmission economics

    Publication Year: 1947, Page(s):793 - 797
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    Comparatively few writers have dealt with the economic problem in transmitting power long distances. In this analysis important possible variations in cost were studied and considered carefully in order to test the validity of the conclusions which were drawn. The effect of these variations tempered the conclusions which are presented here. View full abstract»

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  • Institute activities: Engineering — Instrument of peace

    Publication Year: 1947, Page(s): 798
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  • The president's responsibilities

    Publication Year: 1947, Page(s): 799
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Aims & Scope

This Periodical ceased publication in 1963. The current retitled publication is IEEE Spectrum.

Full Aims & Scope