Hand-book of Natural Philosophy and Astronomy Second CourseTaylor, Walton and Maberly, 1852 |
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Términos y frases comunes
absorbed acid action apparatus atmosphere attraction austral axis ball battery bismuth body boiling point boreal boreal pole bulb centre charged coating coercive force column combination combustion conducting conductor copper cylinder decomposed decomposition degree density diathermanous dilatation direction distance effects electric fluid electrified electro-motive force electrode electrolyte electroscope equal equator explained freezing freezing mixtures fusion gases glass horizontal hydrogen immersed imparted inches increase inductive intensity latent heat Leyden jar liquefied liquid luminous magnetic pole manner mercury meridian metallic needle negative fluid nitric acid non-conductor observed oxygen perature phenomena pile placed plane plate platinum positive fluid pressure produced quantity of heat radiation raised rays rendered repelled represented in fig repulsion right angles sensible heat soft iron solid solution specific heat substances sulphuric acid surface suspended temperature thermal thermometer thermoscopic transmitted tricity tube vapour vertical vessel voltaic pile volume wire zinc
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Página i - Museum of Science and Art. THE MUSEUM OF SCIENCE AND ART. Edited by DIONYSIUS LARDNER, DCL, formerly Professor of Natural Philosophy and Astronomy in University College, London. With upwards of 1 200 Engravings on Wood.
Página 24 - ... contraction. Thus, if a pillar of metal one hundred inches in height, being raised in temperature, is augmented in height by a quarter of an inch, the force with which such increase of height is produced is equal to a weight which being placed upon the top of the pillar would compress it so as to diminish its height by a quarter of an inch. In the same manner, if a rod of metal one hundred inches in length be contracted by diminished temperature so as to render its length a quarter of an inch...
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Página 309 - The astronomical universe consists of masses, undoubtedly of great magnitude, but separated by such immense distances that they appear to us as material points ; these points attract each other in the inverse ratio of the squares of their distances, and this attraction is the only force which affects their motion. But if our senses were keen enough to show us all the details of the bodies which the physicist studies, the spectacle thus disclosed would hardly differ from the one which the astronomer...
Página 195 - Powdered glass. Flowers of sulphur. Dry metallic oxides. Oils, the heaviest the best. Ashes of vegetable bodies. Ashes of animal bodies. Many transparent crystals, dry. Ice below 13° Fahrenheit. Phosphorus. Lime. Dry chalk.
Página 220 - The thread is fixed at the top to a small windlass t, by which the needle can be raised or lowered, and the whole is included in a glass cage, to preserve the apparatus from the disturbance of the air. Upon this glass cage, which is cylindrical, is a graduated circle dd!, which measures the angle through which the needle is deflected.
Página iii - Science, has composed this work for " the satisfaction of those who desire to obtain a knowledge of the elements of Physics, without pursuing them through their mathematical consequences and details.