elementary treatise on nautral philosophy1873 |
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Página xv
... Conductors and non - conductors . -Duality of electricity.— Electric pendulum . — Electricities of opposite kind .-- Both excited at once . - Two - fluid and one - fluid theories , pp . 505-512 . CHAPTER XXXVI . ELECTRICAL INDUCTION ...
... Conductors and non - conductors . -Duality of electricity.— Electric pendulum . — Electricities of opposite kind .-- Both excited at once . - Two - fluid and one - fluid theories , pp . 505-512 . CHAPTER XXXVI . ELECTRICAL INDUCTION ...
Página xvi
... conductor.- Faraday's cubical box . - Inference regarding law of inverse squares . - Electrical density and ... conductor is 4πp . - Relation of induction to lines and tubes of force.- Potential equal to sum of quotients of quantity by ...
... conductor.- Faraday's cubical box . - Inference regarding law of inverse squares . - Electrical density and ... conductor is 4πp . - Relation of induction to lines and tubes of force.- Potential equal to sum of quotients of quantity by ...
Página 245
... conductor of heat , and consequently soon comes into equilibrium of temperature with the bodies which it touches . Besides , its calorific capacity is very small , so that if it be brought into contact with a heated body , for instance ...
... conductor of heat , and consequently soon comes into equilibrium of temperature with the bodies which it touches . Besides , its calorific capacity is very small , so that if it be brought into contact with a heated body , for instance ...
Página 332
... to be frozen is placed in the central space ; the cooler is surrounded with an envelope of felt , which is a very bad conductor of heat , and the boiler is im- SOLIDIFICATION OF CARBONIC ACID . 333 mersed in cold water. 332 EVAPORATION .
... to be frozen is placed in the central space ; the cooler is surrounded with an envelope of felt , which is a very bad conductor of heat , and the boiler is im- SOLIDIFICATION OF CARBONIC ACID . 333 mersed in cold water. 332 EVAPORATION .
Página 416
... conductor , especially if both bars have been coated with the same varnish , so as to make their radiating powers equal . The well - known experiment of Ingenhousz is of the same kind . The apparatus consists of a copper box having a ...
... conductor , especially if both bars have been coated with the same varnish , so as to make their radiating powers equal . The well - known experiment of Ingenhousz is of the same kind . The apparatus consists of a copper box having a ...
Términos y frases comunes
acid action amount angle apparatus atmosphere atmospheric pressure axis barometer battery body Boyle's law called calorimeter carbonic acid centre of gravity circuit coil column compressed condensation conductor connected consists copper cylinder denote density diminished direction distance earth effect electricity electro-motive force employed equal equilibrium expansion experiment formula gases given glass globe Hence horizontal hygrometer inch increase instrument insulated latent heat length lens Leyden jar light liquid lower machine magnet means measured mercury metal millimetres mirror motion needle negative observed obtained opposite parallel particles passes pendulum piston placed plane plate pole portion position potential pressure produced proportional quantity ratio rays reflected refraction represented in Fig resistance result rotation side solid specific gravity specific heat steam substance sulphuric acid suppose surface telescope temperature tension thermometer tion tube vapour velocity vertical vessel vibrations volume weight wire zinc
Pasajes populares
Página 286 - Its banks and its bottom are of cold water, while its current is of warm. The Gulf of Mexico is its fountain, and its mouth is in the Arctic seas. It is the Gulf Stream. There is in the world no other such majestic flow of waters. Its current is more rapid than the Mississippi or the Amazon, and its volume more than a thousand times greater.
Página 499 - It is better, on this account, in graduating the bottle, to make two scratches as represented in the drawing, one at the top and the other at the bottom of the curve : this prevents any future mistake.
Página 437 - Q are related by р/с' = constant, where y is the ratio of specific heat at constant pressure to specific heat at constant volume, for compressible fluids.
Página 633 - Unlike sea water, brackish waters differ in quality, quantity, and composition not only from place to place, but also from time to time even at a given location.
Página 910 - R' P', SP, will have a constant ratio ; or the sines of the angles of incidence and refraction are in a constant ratio.
Página 218 - The resistance which is opposed to a pump rod in raising water, is ~equal to the weight of a column of water whose base is the area of the piston, and...
Página 315 - A GLACIER is AN IMPERFECT FLUID, OR A VISCOUS BODY. WHICH IS URGED DOWN SLOPES OF A CERTAIN INCLINATION BY THE MUTUAL PRESSURE OF ITS PARTS.
Página 9 - The principle of inertia is an abstract principle which must be considered as applicable to a single isolated particle. It may be enounced in the following terms: — An isolated 'material point cannot change its state, whether of rest or motion. That is to say, if it be at rest it will remain at rest; if it be in motion it will continue to move in the same direction and with the same velocity.
Página 92 - If a vessel full of water, closed on all sides, has two openings, the one a hundred times as large as the other, and if each be supplied with a piston which fits exactly, a man pushing the small piston will exert a force which will equilibrate that of a hundred men pushing the Pig. 49.— Pascal's Principle. piston which is a hundred times as large, and will overcome that of ninety-nine.
Página 71 - It is the curve which is traced by a point in the circumference of a circle which rolls along a straight line. The...