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Proceedings of the American Institute of Electrical Engineers

Issue 11 • Nov. 1919

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  • Institute meeting in New York, November 14, 1919

    Publication Year: 1919, Page(s): 377
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  • A. S. C. E. meeting November 5, 1919

    Publication Year: 1919, Page(s):377 - 378
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  • Meeting in Philadelphia, October 10, 1919

    Publication Year: 1919, Page(s):378 - 380
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  • A. I. E. E. Directors' meeting October 10, 1919

    Publication Year: 1919, Page(s):380 - 381
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  • Past branch meetings

    Publication Year: 1919, Page(s):381 - 382
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  • The Vail Library at M. I. T.

    Publication Year: 1919, Page(s): 382
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  • Engineering Council

    Publication Year: 1919, Page(s):383 - 390
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  • Engineering service Bulletin

    Publication Year: 1919, Page(s):391 - 397
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  • Engineering Societies Library

    Publication Year: 1919, Page(s):397 - 400
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  • Personal

    Publication Year: 1919, Page(s):400 - 401
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  • Obituary

    Publication Year: 1919, Page(s): 401
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  • Addresses wanted

    Publication Year: 1919, Page(s): 401
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  • Membership

    Publication Year: 1919, Page(s):401 - 409
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  • Report of special committee on publications

    Publication Year: 1919, Page(s):410 - 412
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  • Report of joint conference committee of development committees

    Publication Year: 1919, Page(s):413 - 426
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  • Officers and Board of Directors 1919–1920

    Publication Year: 1919, Page(s):427 - 428
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  • Present limits of speed and power of single shaft curtis steam turbines

    Publication Year: 1919, Page(s):1223 - 1231
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    This paper starts by showing that the limit of a single-unit turbo generator does not lie in the generator but is confined to the steam turbine, and that the last wheel of the turbine is the limiting feature. The author therefore takes the last wheel of an 1800-rev. per min. turbine, giving dimension stresses, kind of material used etc., and then designs two turbines, one having 23 stages and the ... View full abstract»

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  • Present limits of speed and output of single-shaft turbo generators

    Publication Year: 1919, Page(s):1233 - 1242
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    Output is determined broadly by rotor or stator dimensions. With speeds of 1200 rev. per min. and lower, the stator is the limiting member, while with higher speeds, the rotor is the limiting member. The most effective rotor diameter is not necessarily the largest diameter. To obtain maximum output at a given speed the rotor proportions must be chosen to properly balance mechanical stresses, rotor... View full abstract»

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  • Present limits of speed and power of single-shaft steam turbines

    Publication Year: 1919, Page(s):1243 - 1253
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2793 KB)

    This paper will be restricted to a discussion of some of the factors which influence limits as applying particularly to turbines of the reaction type. With the employment of high vacua the limit of power will be determined largely by the area obtainable through the last stage-Limiting factors include: 1. Chosen maximum values of steam speed through the blades in order to keep the leaving losses wi... View full abstract»

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  • Telephone repeaters

    Publication Year: 1919, Page(s):1255 - 1313
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (19550 KB)

    In this paper the authors have endeavored to set forth briefly but clearly the history of the research and development work which has led up to the final production of successful telephone repeaters. The various forms of amplifiers which have been suggested are described and their possibilities and limitations pointed out. The essential properties of repeater networks together with the necessary l... View full abstract»

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  • The piezo electric effect in the composite Rochelle salt crystal

    Publication Year: 1919, Page(s):1315 - 1333
    Cited by:  Papers (1)
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    The piezo electric effect is an electro-elastic property of certain crystals. It involves the conversion of mechanical into electrical energy, and also the converse effect. The paper presents an exposition of piezo-electricity and related optical and other properties belonging to these crystals. Special reference is made to the comparatively large piezo electric effects produced by Rochelle salt c... View full abstract»

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Aims & Scope

This Magazine ceased publication in 1919. The current retitled publication is IEEE Spectrum.

Full Aims & Scope