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Electrical Engineering

Issue 5 • Date May 1932

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Displaying Results 1 - 25 of 26
  • [Front cover]

    Publication Year: 1932 , Page(s): c1
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  • [Advertisement - Front inside cover]

    Publication Year: 1932 , Page(s): c2
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  • Contents

    Publication Year: 1932 , Page(s): 297 - 298
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  • Weather resistant covering for line wires

    Publication Year: 1932 , Page(s): 299 - 304
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    Previous to the last two years, development of weather resistant covering for line wires lay in the hands of the manufacturer and was centered upon meeting the demand for a cheaper product. This resulted in a decreasing life of the covering. Research described in this article points the way to a greatly improved covering which, although slightly more expensive to produce, can be justified economic... View full abstract»

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  • Impulse tests on a substation

    Publication Year: 1932 , Page(s): 304 - 306
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    Severe flashovers have occurred in ungrounded 4,800-volt distribution substations in Detroit. Impulse tests have proved that these were caused by surges reflected from regulator windings, but can be prevented by the proper placing of lightning arresters. View full abstract»

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  • Operating requirements of the network protector

    Publication Year: 1932 , Page(s): 307 - 311
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    Rapid extension of the low-voltage a-c. network in metropolitan areas has required the solution of a number of new problems, among them being the development of a suitable network protector consisting of circuit breaker, relays, etc., to disconnect the feeder from the network at the proper times. View full abstract»

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  • Molybdenum — The metal that talks

    Publication Year: 1932 , Page(s): 311 - 312
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    DISCOVERED BY SCHEELE in 1778 in the form of an oxid, molybdenum was first separated as a metal by Hjelm in 1782. Now it is produced commercially by hydrogen reduction of the oxid, pure oxid being obtained from ammonium molybdate. The resulting metallic powder is sintered, forged, and rolled into desired shapes. When pure, molybdenum is soft, white, and ductile. View full abstract»

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  • Engineering features of gas filled tubes

    Publication Year: 1932 , Page(s): 312 - 318
    Cited by:  Papers (1)
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    Introduction of gas or vapor into electron tubes has increased greatly the field of application of these devices. Hot-cathode mercury vapor tubes of this type are especially adapted to rectifier and inverter service. Fundamentals, design features, and operating characteristics of these tubes are given in this article. View full abstract»

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  • Labor and engineering progress

    Publication Year: 1932 , Page(s): 318 - 319
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    Application of engineering methods, training, and skill to the social, political, and industrial problems of the present day would contribute in a valuable way toward satisfactory stabilization. This is the tenth article in The Engineering Foundation's symposium “Has Man Benefited by Engineering Progress?” View full abstract»

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  • Slow motion motor will run indefinitely

    Publication Year: 1932 , Page(s): 319 - 320
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    WHILE one group of scientists has been perfecting electrical machinery that will run at higher and still higher speeds, another group has been going to the other extreme by perfecting a timing motor that will revolve only twice a day. By following the same principles the speed could be slowed down to one revolution per year or even less. Theoretically there is no limit to the slowness that could b... View full abstract»

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  • Magnet steels and permanent magnets

    Publication Year: 1932 , Page(s): 320 - 323
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    A new relationship connecting the open-circuit remanence of a permanent magnet with the factors which determine its value has been found. This relationship, shown by Fig. 2 of the following article, appears to be general and valid for all kinds of magnet steel. Also, criterions of magnetic quality are presented, including a nomogram chart for permanent magnet design. View full abstract»

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  • Supervisory control for A-C. Electrified railroads

    Publication Year: 1932 , Page(s): 323
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    IN ITS ELECTRIFICATION in and around Philadelphia, the Pennsylvania Railroad has made use of two installations of supervisory control for the remote operation of high voltage a-c. step-down substations. In a current A.I.E.E. paper (see footnote) C. P. West (M'28) Westinghouse Electric and Manufacturing Company, East Pittsburgh, Pa., and H. C. Griffith, Pennsylvania Railroad Company, Philadelphia, ... View full abstract»

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  • Standard decrement curves

    Publication Year: 1932 , Page(s): 324 - 329
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    Standard decrement curves in use for a number of years in the calculation of power system voltages and currents under fault conditions now have been revised and are presented herewith. Their use enables the determination of the magnitudes of voltages and currents for various intervals of time subsequent to the occurrence of a fault. View full abstract»

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  • A-C. supervisory control system

    Publication Year: 1932 , Page(s): 329 - 331
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    A supervisory control system operating entirely on alternating current and possessing great reliability is described in this article. With a suitable switchboard arrangement, the operator is said to be able to visualize switching conditions at a glance; the system has the further advantage of employing only equipment with which operators are familiar. View full abstract»

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  • A new carrier telephone cable

    Publication Year: 1932 , Page(s): 332 - 335
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    Three carrier telephone circuits and one telegraph circuit are provided by this newest cable linking the United States with Cuba. The design is such that still more carrier channels may be provided when the need for them arises. View full abstract»

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  • Electrical units and their application

    Publication Year: 1932 , Page(s): 335 - 338
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    Progress and improvement in any art or science are not made without provision for suitable measurements. Many advances in the field of electrical units and their measurements have been scored within the past forty or fifty years. Developments in electrical measurements have been satisfactory in that they have kept slightly ahead of practical demands. View full abstract»

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  • The unit of Electrical resistance

    Publication Year: 1932 , Page(s): 338 - 341
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    The mercury ohm, long recognized as a standard of resistance, with its elaborate technique and many disadvantages has become obsolescent. The reasons for this, together with a brief historical sketch of the ohm, are presented in this article. View full abstract»

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  • International standard of electromotive force

    Publication Year: 1932 , Page(s): 341 - 343
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    Although unremitting care must be exercised in their manufacture and handling, cadmium cells have proved to be convenient and reliable sources of standard e.m.f. Principal characteristics of these units and precautions to be observed in their use are pointed out in this article. View full abstract»

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  • Recent developments in magnetic units

    Publication Year: 1932 , Page(s): 343 - 345
    Cited by:  Papers (1)
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  • News of Institute and related activities: Summer convention offers attractive program

    Publication Year: 1932 , Page(s): 346 - 354
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  • Letters to the editor

    Publication Year: 1932 , Page(s): 354 - 361
    Cited by:  Papers (1)
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  • Local meetings

    Publication Year: 1932 , Page(s): 361 - 364
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  • Employment notes of the engineering societies employment service

    Publication Year: 1932 , Page(s): 364 - 366
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  • Membership

    Publication Year: 1932 , Page(s): 366
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  • Engineering literature

    Publication Year: 1932 , Page(s): 367
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Aims & Scope

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

Full Aims & Scope