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Review: The Inventions, Researches and Writings of Nikola TeslaUser Review - Jonnie Enloe - Goodreads
When you find out that General Electric should actually have been named Tesla Electric, this man begins to get his due. Not withstanding my respect for Edison, Tesla thought and ideas were light years ... Read full review
Review: The Inventions, Researches and Writings of Nikola TeslaUser Review - TaleofGenji - Goodreads
I registered a book at BookCrossing.com! http://www.BookCrossing.com/journal/11137068 Read full review
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action alternating currents apparatus armature coils atoms auxiliary brush body bombardment bulb button capacity carbon centimetres charge circuit closed coating commutator condenser conducting conductor connected considerable construction devices direct current direction disc disruptive discharge distance dynamo effect electric electrode electromotive force electrostatic electrostatic induction employed energy excited experiments field magnet filament glass globe heat high frequency high potential illustrated in Fig impulses increased independent circuits induction coil inductive effect insulated iron core J. J. Thomson latter Leyden jar light low frequency luminous machine manner means medium ment metal molecules motor observed obtained operated opposite ordinary oscillation pass phase phenomena phosphorescence plate polar pole-pieces poles position practically primary coils produced rapidly alternating resistance result ring rotation self-induction shaft shown in Fig space spark speed sphere streams surface synchronism temperature terminals Tesla Tesla motor thick thin tion vacuum vibration wire wound
Page 131 - distance. The brush rotates best, seemingly, when it is at right angles to the lines of force of the earth. It very likely rotates, when at its maximum speed, in synchronism with the alternations, say, 10,000 times a second. The rotation can be slowed down or accelerated by the approach or
Page 131 - When the brush assumes this form it may be brought to a state of extreme sensitiveness to electrostatic and magnetic influence. The bulb hanging straight down, and all objects being remote from it, the approach of the observer within a few paces will cause the brush to fly to the opposite side, and if
Page 135 - is ascertained by experience, only the two ends would in such case not be electrically connected through the gaseous medium. Now, what with these frequencies and potentials occurs in an exhausted tube, occurs in the lightning discharge at ordinary pressure. From the facility with which any amount of energy may be carried off through a gas,
Page 266 - charge or not; what is more, if the charge is not lost, the impacts are only the more violent. Still, if the frequency of the impulses be very small, the loss caused by the impacts and collisions would not be serious, unless the potential were excessive. But when extremely high
Page 281 - through the wire. Again the wire is heated, this time principally on the ends and least in the middle portion ; and if the frequency of the impulses, or the rate of change, is high enough, the wire might as well be cut in the middle as not, for practically all
Page 274 - plate if attached, the vibration was quickened ; also, as far as I could see, by raising the potential or frequency. Thus, either increasing the frequency or passing a stronger discharge of the same frequency corresponded to a tightening of the cord. I did not obtain any experimental evidence with condenser discharges. A luminous band excited in
Page 135 - the gas might only act as a conductor of no impedance, diverting the current from the wire as the impedance of the latter is enormously increased, and merely heating the ends of the wire hy reason of their resistance to the passage of the discharge. But it is not at all necessary that the gas in the tube should
Page 218 - such as we ordinarily produce in a slightly exhausted tube. If the frequency were very low, or even more so, if the charge were not at all vibrating, the dense air would break down as in a lightning discharge. Indications of such breaking down of the lower dense strata of the air have been repeatedly observed at the
Page 373 - suggestions to others, and this may serve as an excuse for the lack of harmony. The explanations of the phenomena have been given in good faith and in the spirit of a student prepared to find that they admit of a better interpretation. There can be no great harm in a student taking an erroneous view,
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