elementary treatise on nautral philosophy1873 |
Dentro del libro
Resultados 1-5 de 74
Página xi
... opposite signs . - Reduction to sea - level . - Reduc- tion of barometric pressure to absolute measure . - Siphon barometer . — Wheel barometer . -Marine barometer . — Board of Trade barometer . - Sympiesometer . - Aneroid . - Coun ...
... opposite signs . - Reduction to sea - level . - Reduc- tion of barometric pressure to absolute measure . - Siphon barometer . — Wheel barometer . -Marine barometer . — Board of Trade barometer . - Sympiesometer . - Aneroid . - Coun ...
Página xx
... Opposite effect of temperature . - Wind - instruments . - Mano- metric flames , pp . 828-846 . CHAPTER LVI . ANALYSIS OF VIBRATIONS . CONSTITUTION OF SOUNDS . Optical examination of sonorous vibrations . Lissajous ' experiment ...
... Opposite effect of temperature . - Wind - instruments . - Mano- metric flames , pp . 828-846 . CHAPTER LVI . ANALYSIS OF VIBRATIONS . CONSTITUTION OF SOUNDS . Optical examination of sonorous vibrations . Lissajous ' experiment ...
Página 15
... opposite to the force P ' . It will also be found that P ' is equal to the sum of the two weights P together with the weight of the lever . In the case of the second figure , a single weight P is placed at one of the extremities B ...
... opposite to the force P ' . It will also be found that P ' is equal to the sum of the two weights P together with the weight of the lever . In the case of the second figure , a single weight P is placed at one of the extremities B ...
Página 16
... opposite directions will equilibrate each other if their moments are equal , even though they be applied at different parts of the body . Two or more couples acting on a body and tending to turn it in the same direction , may be ...
... opposite directions will equilibrate each other if their moments are equal , even though they be applied at different parts of the body . Two or more couples acting on a body and tending to turn it in the same direction , may be ...
Página 18
... opposite result , and that the direction of motion is opposite , though the direction of the wind is the same . In reality , the two motions are not directly opposite , because the action of the component perpendicular to the length of ...
... opposite result , and that the direction of motion is opposite , though the direction of the wind is the same . In reality , the two motions are not directly opposite , because the action of the component perpendicular to the length of ...
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...