The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1870 |
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Результати 6-10 із 76
Сторінка 43
... fact , when steam of 5 atmospheres is discharged into the air at the pressure of one , considerably more than half the power which it is theo- retically capable of exerting is lost ; and when , at the same pres- sure , it is discharged ...
... fact , when steam of 5 atmospheres is discharged into the air at the pressure of one , considerably more than half the power which it is theo- retically capable of exerting is lost ; and when , at the same pres- sure , it is discharged ...
Сторінка 44
... fact that electricity , in passing through a conductor of insufficient capacity ( such , for instance , as a wire of very small diameter ) , evolves or develops heat . It is also well known that a wire of any great length , and of ...
... fact that electricity , in passing through a conductor of insufficient capacity ( such , for instance , as a wire of very small diameter ) , evolves or develops heat . It is also well known that a wire of any great length , and of ...
Сторінка 45
... fact is well known to electricians , if the same machine were organized for producing a current of quantity , the heating power would be greatly increased . The inventor is not aware of any chemical battery by means of which this ...
... fact is well known to electricians , if the same machine were organized for producing a current of quantity , the heating power would be greatly increased . The inventor is not aware of any chemical battery by means of which this ...
Сторінка 62
... fact of the immense subsiding works being completed , and a vast mass of appliances being on the spot . The service canal , from the Nile to the mid - point of the salt canal , and branching thence to either extremity , is an immense ...
... fact of the immense subsiding works being completed , and a vast mass of appliances being on the spot . The service canal , from the Nile to the mid - point of the salt canal , and branching thence to either extremity , is an immense ...
Сторінка 65
... fact that the temperature required for the fusion of the metal comes very near the maximum temperature which can be obtained in the furnace , and the heat is communicated to the metal much more slowly than if a greater difference of ...
... fact that the temperature required for the fusion of the metal comes very near the maximum temperature which can be obtained in the furnace , and the heat is communicated to the metal much more slowly than if a greater difference of ...
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The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
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acetic acid action American ammonia animals apparatus appears atmosphere battery beds bridge cable carbon carbonic acid cause cent centimetres centre charcoal chemical chloride coal color Comptes Rendus connected containing copper corona cubic cubic metres cylinder depth diameter discovery dissolved eclipse effect electric engine eocene experiments fact feet fibre flame fossil French gases glass glycerine gun-cotton guns heat hydrochloric acid hydrogen inches Indian iron length light lime liquid magnet matter metal method metres miles miocene mixture nitric acid observations obtained ordinary oxide oxygen palladium paper passed placed plants plate platinum polariscope polarization potash precipitate present pressure produced Prof quantity railway rays River salt sandarac sodium solution spark species specific gravity spectrum steam steel rails substance sulphate sulphuric acid surface temperature thick tion tons tube tunnel vapor vibrations weight wire zinc zirconia
Популярні уривки
Сторінка 269 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Сторінка i - ANNUAL OF SCIENTIFIC DISCOVERY ; or, Year Book of Facts in Science and Art, exhibiting the most important Discoveries and Improvements in Mechanics, Useful Arts, Natural Philosophy, Chemistry, Astronomy, Meteorology, Zoology, Botany, Mineralogy, Geology, Geography, Antiquities, etc.
Сторінка 136 - It consists in subjecting the vapours of volatile liquids to the action of concentrated sunlight, or to the concentrated beam of the electric light.