An Elementary Treatise on Heat |
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Page vi
... becomes related to other forms of motion , are discussed . It may be well to state the basis on which the reason- ing of this part has been founded . It has appeared to the Author that the foundation which involves the smallest amount ...
... becomes related to other forms of motion , are discussed . It may be well to state the basis on which the reason- ing of this part has been founded . It has appeared to the Author that the foundation which involves the smallest amount ...
Page 1
... become acquainted with some instrument by the aid of which the state of bodies with regard to heat may be accurately determined . The Thermometer fulfils this requirement , and a description of it will therefore form the commencement of ...
... become acquainted with some instrument by the aid of which the state of bodies with regard to heat may be accurately determined . The Thermometer fulfils this requirement , and a description of it will therefore form the commencement of ...
Page 9
... become stationary . The tube is then marked with a scratch at the termination of the mercurial column , and the lowest of the two points is thus determined . Presuming that Fahrenheit's scale is to be employed , this point will denote ...
... become stationary . The tube is then marked with a scratch at the termination of the mercurial column , and the lowest of the two points is thus determined . Presuming that Fahrenheit's scale is to be employed , this point will denote ...
Page 16
... becomes known , and the requisite correction may be applied , which is of course constant throughout the scale . 23. Other sources of error . If a thermometer have its fixed points determined in a vertical position it must always be ...
... becomes known , and the requisite correction may be applied , which is of course constant throughout the scale . 23. Other sources of error . If a thermometer have its fixed points determined in a vertical position it must always be ...
Page 17
... become 177 ° .2 , or the mercury will indicate 209 ° .2 as the boiling point of water ; a correction of + 2 ° .8 must therefore be applied . This example will convey to the reader sufficiently well the method to be employed in finding ...
... become 177 ° .2 , or the mercury will indicate 209 ° .2 as the boiling point of water ; a correction of + 2 ° .8 must therefore be applied . This example will convey to the reader sufficiently well the method to be employed in finding ...
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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.