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Principles of Electricity: Containing Diverse New Theorems and Experiments ...
Charles Stanhope Stanhope
No preview available - 2009
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Page 206 - Sthly, That each rod be carried, in the fhorteft convenient direction, from the point at its upper end, to the common ftock.
Page 254 - Conductor, it will be attracied by " it ; and it will be repelled again, if it be forcibly " pufhed beyond that Limit of Attraction. — If the Ball " be confined to move within the fame fmall...
Page 12 - Phenomina of electrical attraction and repulsion, to one plain and convenient Principle, derived from the very nature of a disturbed electrical Equilibrium; namely, to the elastic tendency of the electrical Fluid, to impel every Body, charged either in plus or in minus, towards that Part of its electrical Atmosphere, where its natural electrical equilibrium would be the most easily restored. From this simple Principle, it is evident, that Bodies which are charged with contrary Electricities, must...
Page 11 - ... apart in the air fell to a separation of less than a quarter of an inch when the atmospheric pressure was about *4 inch of mercury. He concluded from this experiment that the force of repulsion between the cork balls was proportional to the density of the air between them. Then he says: From these Experiments, it appears, that, when Bodies are charged with Electricity, it is the Particles of (circumambient') Air being electrified, that constitutes the electrical Atmosphere which exists around...
Page 117 - whether the distance between the person so circumstanced, and the place where the lightning falls, be fifty or one hundred yards, or one mile, or two miles, or three miles, or more, the truth of the general proposition there laid down would not be anywise affected.
Page 97 - Now, when the returning stroke came to take place, not only the electricity which had passed froin my body into the body of the other person, but also the electricity which had passed from my body into the earth (through the other person), did suddenly return upon me from his hand F to my hand B, at the same instant that the discharge of the prime conductor took place upon the ball L. This caused the returning stroke to be stronger than before.
Page 205 - For the sake of those persons who care but little about the " detail of the theory of electricity, but who notwithstanding may " be extremely interested in the knowledge of the best method of " securing buildings against the damage of lightning, his Lord" ship mentions the following necessary requisites in erecting con
Page 120 - Jhoes torn, and with theiry«r damaged by the electrical fire ; but who have not had, over their whole body, any other apparent marks of having been ftruck with lightning...