Journal, Volume 411908 - Electricity Vols. 59-95, Dec. 1920-1948 include (1941-48, in pt. 3) Proceedings of the Radio section (as Wireless section, Chairman's address, 1920-40; as Wireless section, Proceedings, 1941-44). |
Contents
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Common terms and phrases
3-phase alternating current amperes apparatus armature arrangement authors busbars cable candle-power capacity capstan cent charge choking coil circuit breakers commutator condenser conductors connected considerable consumers copper core corpuscles corrosion cost cranes curves density diameter direct-current effect efficiency Electrical Engineers electrolyte enclosed fuses experiments flux frequency full-load gas mantle given heat increased induction installed Institution instrument insulation iron kilowatt leakage paths lighting load machine magnetic maximum metallic filament lamps meter method motor no-arc length normal fusing current obtained ohms operate ordinary osram osram lamps output overload paper phase plates pole potential power factor practice pressure referred regard relay resistance rotor short circuit shown in Fig shunt speed station sub-stations supply switch tank tantalum telephone temperature tests tion torque transformer tungsten unit voltage voltmeter volts wattmeter watts winding wire Z-point
Popular passages
Page 394 - I often say that when you can measure what you are speaking about and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meager and unsatisfactory kind...
Page 396 - It is impossible, by means of inanimate material agency, to derive mechanical effect from any portion of matter by cooling it below the temperature of the coldest of the surrounding objects.
Page 394 - It was in the year 1843 that I read a paper 'On the Calorific Effects of Magneto-Electricity and the Mechanical Value of Heat ' to the chemical section of the British Association assembled at Cork.
Page 893 - Comprising Formulae, Rules, Tables, Data and Memoranda in Civil, Mechanical, Electrical, Marine and Mine Engineering. By HR KEMPE, AM Inst. CE, MIEE, Principal Technical Officer, Engineer-in-Chief's Office, General Post Office, London, Author of "A Handbook of Electrical Testing," "The Electrical Engineer's Pocket-Book,
Page 409 - It seems to me that the test of ' Do we or do we not understand a particular subject in physics ? ' is : ' Can we make a mechanical model of it ? ' I have an immense admiration for Maxwell's mechanical model of electromagnetic induction.
Page 318 - Cook were appointed scrutineers of the ballot for the election of new members, and, at the end of the meeting, the following were declared to have been duly elected : — ELECTIONS. As Associate Members.
Page 406 - ... the solution of problems which were of a highly practical kind in mathematical science, so in physical science many of the greatest advances that have been made from the beginning of the world to the present time have been...
Page 438 - The eighth report of the Alloys Research Committee of the Institution of Mechanical Engineers shows that rich copper aluminium alloys do not corrode when in conjunction with mild steel in sea-water.
Page 911 - Mathematical and Physical Papers. By Sir W. THOMSON, LL.D., DCL, FRS, Professor of Natural Philosophy in the University of Glasgow. Collected from different Scientific Periodicals from May, 1841, to the present time.
Page 409 - I never satisfy myself until I can make a mechanical model of a thing.