An Elementary Treatise on Heat |
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Page vii
... determine to prefer an air ther- mometer we still have to decide on what principle it ought to be read , and , while this principle is indicated at the commencement of the work , the reasons in favour of its adoption are not fully ...
... determine to prefer an air ther- mometer we still have to decide on what principle it ought to be read , and , while this principle is indicated at the commencement of the work , the reasons in favour of its adoption are not fully ...
Page viii
... Determination of Freezing - point Determination of Boiling - point Graduation Various Scales ( with examples ) Correction for Change of Zero Other Sources of Error ( with example ) Other Thermometers : - Alcohol Thermometer 18 36 789 19 ...
... Determination of Freezing - point Determination of Boiling - point Graduation Various Scales ( with examples ) Correction for Change of Zero Other Sources of Error ( with example ) Other Thermometers : - Alcohol Thermometer 18 36 789 19 ...
Page 1
... determined . The Thermometer fulfils this requirement , and a description of it will therefore form the commencement of this treatise . B 4. When the Thermometer has been described the various effects INTRODUCTION Definition of Heat'
... determined . The Thermometer fulfils this requirement , and a description of it will therefore form the commencement of this treatise . B 4. When the Thermometer has been described the various effects INTRODUCTION Definition of Heat'
Page 7
... determined . MERCURIAL THERMOMETER . 16. An instrument of this kind is found in the mer- curial thermometer , which is constructed upon the principle that mercury when heated expands very much more than glass MEASUREMENT BY THERMOMETERS ...
... determined . MERCURIAL THERMOMETER . 16. An instrument of this kind is found in the mer- curial thermometer , which is constructed upon the principle that mercury when heated expands very much more than glass MEASUREMENT BY THERMOMETERS ...
Page 9
... Determination of the fixed points . The freezing point . Our object in constructing a thermometer presup- poses the ... determined . Presuming that Fahrenheit's scale is to be employed , this point will denote 32 ° . 19. The boiling ...
... Determination of the fixed points . The freezing point . Our object in constructing a thermometer presup- poses the ... determined . Presuming that Fahrenheit's scale is to be employed , this point will denote 32 ° . 19. The boiling ...
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Common terms and phrases
absorbs absorption acid amount of heat antimony aqueous vapour atmosphere bismuth body boiling point Boyle's law Bromine bulb calorimeter carbon carbonic acid chemical coefficient cold colour column condensed conductivity constant temperature dark heat denote density dilatation Dulong and Petit electric enclosure energy equal ether evaporation excess of temperature expansion experiments Fahr flow of heat freezing galvanometer gases Gay Lussac glass gravity heating effect hence high temperature inches of mercury increase instrument iron lamp-black latent heat light liquid luminous means melting metals method millimètres nearly nitrous oxide observed obtained particles pass perature plate polarized pound pressure produced quantity of heat radiant heat radiation rays reflected refrangibility regard Regnault result rock salt shew shewn solid source of heat specific gravity specific heat steam substance suppose surface thermometer tourmaline tube vacuo velocity of cooling vessel volume wave length weight
Popular passages
Page 304 - That the quantity of heat produced by the friction of bodies, whether solid or liquid, is always proportional to the quantity of force expended.
Page 66 - The straight line or distance between the centres of the transverse lines in the two gold plugs in the bronze bar deposited in the Office of the Exchequer shall be the genuine standard of length at 62° F., and if lost it shall be replaced by means of its copies.
Page 66 - May one thousand eight hundred and twenty-five, the Straight Line or Distance between the Centres of the Two Points in the Gold Studs in the Straight Brass Rod, now in the Custody of the Clerk of the House of Commons, whereon the Words and Figures
Page 80 - ... passing from the solid to the liquid, and from the liquid to the gaseous form, or the contrary, occasioning endless vicissitudes of temperature over the globe.
Page 82 - ... thermometer, this will very often be sufficient to produce solidification, if not drop in a small crystal. The mass solidifies at once and the temperature rises very considerably. 112. Laws of Fusion. We may thus sum up our results with the following laws of fusion. (1) A substance begins to melt at a temperature, which is constant for the same substance, if the pressure be constant, and is called the melting-point.