The Art of Scientific Discovery: Or, The General Conditions and Methods of Research in Physics and ChemistryLongmans, Green, and Company, 1878 - 648 páginas |
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Página 9
... heat , light , electricity , magnetism , chemistry , and physiology , it generally consists of obser- vation , study , and experiment in varied proportions ; in the sciences of astronomy , meteorology , and geology it lies chiefly in ...
... heat , light , electricity , magnetism , chemistry , and physiology , it generally consists of obser- vation , study , and experiment in varied proportions ; in the sciences of astronomy , meteorology , and geology it lies chiefly in ...
Página 25
... heat to liquids con- firmed our belief that at a particular fixed and definite temperature , different for each separate liquid , every sub- stance passed abruptly from the liquid to the vaporous state , until Sir J. Herschel suggested ...
... heat to liquids con- firmed our belief that at a particular fixed and definite temperature , different for each separate liquid , every sub- stance passed abruptly from the liquid to the vaporous state , until Sir J. Herschel suggested ...
Página 32
... heat evolved by the sun is calculated to be 2,000 million times as great as that received by the earth from it ; and the light to be 300,000 times greater than that of the moon , or 2,200 million times more intense than that of a Cen ...
... heat evolved by the sun is calculated to be 2,000 million times as great as that received by the earth from it ; and the light to be 300,000 times greater than that of the moon , or 2,200 million times more intense than that of a Cen ...
Página 33
... Heat or pressure applied to a piece of steel alters its length , breadth , thickness , molecular arrangement , atomic- distance , specific gravity , cohesive power , adhesion to liquids , elasticity , temperature , specific heat , latent ...
... Heat or pressure applied to a piece of steel alters its length , breadth , thickness , molecular arrangement , atomic- distance , specific gravity , cohesive power , adhesion to liquids , elasticity , temperature , specific heat , latent ...
Página 34
... heat , and of magnetic and electric induction . In a similar manner a metal wire is capable of transmitting a number of electric currents at the same instant of time ; and this property is being applied in electric telegraphy . ' The ...
... heat , and of magnetic and electric induction . In a similar manner a metal wire is capable of transmitting a number of electric currents at the same instant of time ; and this property is being applied in electric telegraphy . ' The ...
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Términos y frases comunes
¹ Whewell acid action appear astronomical beliefs bodies Caroline Herschel cause chemical chemical affinity chemistry circumstances classification complete conclusions covery Crown 8vo degree detect discovered DISCOVERY BY MEANS earth effect electric electric current elementary bodies employed enabled error evidence excite existence experiments extensive facts false Faraday forces G. C. Lewis galvanometer heat History of Chemistry hydrogen hypotheses ideas important impressions Inductive Sciences inference instance intellect invention kind known labour large number laws less Leyden jar light magnetism matter ment mental method mind motion nature Newton nitric acid observation obtained original research oxygen perceive perception persons pheno phenomena phenomenon phlogiston physical possess probably produce properties proposition proved qualitative quantitative R. W. Dale reason requires Royal Society rubidium scientific discovery scientific research scientific truths senses similar statement substances temperature thallium theory things thought tion tricity true usually various voltaic whilst
Pasajes populares
Página 372 - One science only will one genius fit ; So vast is art, so narrow human wit : Not only bounded to peculiar arts, But oft in those confined to single parts.
Página 600 - Avogadro's law states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules...
Página 275 - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
Página 96 - I think it may not be amiss to take notice, that however faith be opposed to reason, faith is nothing but a firm assent of the mind : which if it be regulated, as is our duty, cannot be afforded to any thing but upon good reason ; and so cannot be opposite to it. He that believes, without having any reason for believing, may be in love with his own fancies; but neither seeks truth as he ought, nor pays the obedience due to his Maker...
Página 293 - It is a pleasure to stand upon the shore and to see ships tossed upon the sea; a pleasure to stand in the window of a castle and to see a battle and the adventures thereof below; but no pleasure is comparable to the standing upon the vantage ground of truth...
Página 649 - Price 3$. 6d. On the STRENGTH of MATERIALS and STRUCTURES : the Strength of Materials as depending on their quality and as ascertained by Testing Apparatus ; the Strength of Structures, as depending on their form and arrangement, and on the materials of which they are composed. By Sir J. ANDERSON, CE &c.