The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art, Količina 15Gould, Kendall, and Lincoln, 1865 |
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Zadetki 1–5 od 74
Stran iii
... iron tramway , consisting of cast - iron bars of an angular section ; in this arrangement , the upright flange of the bar acted as a guide III NOTES BY THE EDITOR ...
... iron tramway , consisting of cast - iron bars of an angular section ; in this arrangement , the upright flange of the bar acted as a guide III NOTES BY THE EDITOR ...
Stran iv
... iron edge - rails to be used . Finally , in 1820 , after the lapse of about 200 years from the first employment of wooden bars , wrought - iron rails , rolled in long lengths , and of suitable section , were made , and eventually ...
... iron edge - rails to be used . Finally , in 1820 , after the lapse of about 200 years from the first employment of wooden bars , wrought - iron rails , rolled in long lengths , and of suitable section , were made , and eventually ...
Stran ix
... another new body , Indium , has been added to the list of the elements . Bessemer's process of manufacturing iron and steel may now be considered as having - passed out from the domain of theory , into ON THE PROGRESS OF SCIENCE . IX.
... another new body , Indium , has been added to the list of the elements . Bessemer's process of manufacturing iron and steel may now be considered as having - passed out from the domain of theory , into ON THE PROGRESS OF SCIENCE . IX.
Stran x
... oxalic acid , and urea ; also formic acid , paracyanogen , cyanuric acid , sulphocyanogen , and mellon . " When cast - iron ( which contains carbon ) X NOTES BY THE EDITOR passed out from the domain of theory, into the ...
... oxalic acid , and urea ; also formic acid , paracyanogen , cyanuric acid , sulphocyanogen , and mellon . " When cast - iron ( which contains carbon ) X NOTES BY THE EDITOR passed out from the domain of theory, into the ...
Stran xi
" When cast - iron ( which contains carbon ) is dissolved in dilute sul- phuric or hydrochloric acid , there is evolved a volatile oil resembling turpentine , and there is left in the vessel a small ... iron (which contains carbon) ...
" When cast - iron ( which contains carbon ) is dissolved in dilute sul- phuric or hydrochloric acid , there is evolved a volatile oil resembling turpentine , and there is left in the vessel a small ... iron (which contains carbon) ...
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action ammonia animals appear aqueous vapor astronomers atmosphere atoms Aye-Aye body British Association carbonic acid Carboniferous cause cent chemical color containing depth Devonian diameter discovery distance earth effect electric equal existence experiments exposed fact feet fire French gases give glass graphite gun-cotton gunpowder gypsum heat hundred hydrochloric acid hydrogen inches insects iron islands length less light lime liquid London magnesium manufacture mass matter metal miles minute moon mountains nature nearly nitrogen observed obtained organic oxygen paper passed phenomena photographic plants plate portion pounds present pressure produced Prof proportion putrefaction quantity rays recent remarkable result rifled rock rubidium safe salt shot side silica soda solar solar parallax solid species spectrum stars steam substance sulphur sulphuric acid sun's surface temperature thallium thickness tion transmutation of species tube velocity vessel weight whole
Priljubljeni odlomki
Stran 79 - ... melt in air, — the flux of power is eternally the same. It rolls in music through the ages, and all terrestrial energy, — the manifestations of life, as well as the display of phenomena, are but the modulations of its rhythm.
Stran 172 - It is conceivable that the various kinds of matter, now recognized as different elementary substances, may possess one and the same ultimate or atomic molecule existing in different conditions of movement. The essential unity of matter is an hypothesis in harmony with the equal action of gravity upon all bodies. We know the anxiety with which this point was investigated by Newton, and the care he took to ascertain that every kind of substance, ' metals, stones, woods, grain, salts, animal substances,'...
Stran 323 - Star be observed to the East and the other to the West of the Meridian, the Time will be determined with rather more certainty.
Stran 81 - In 1845 he published his Memoir on " Organic Motion," and applied the mechanical theory of heat in the most fearless and precise manner to vital processes. He also embraced the other natural agents in his chain of conservation. In 1853 Mr. Waterston proposed, independently, the meteoric theory of the sun's heat, and in 1854 Professor William Thomson applied his admirable mathematical powers to the development of the theory; but six years previously...
Stran 229 - Assuming 4,000 feet as the greatest depth at which it will ever be possible to carry on mining operations, and rejecting all seams of less than two feet in thickness, the entire quantity of available coal existing in these islands has been calculated to amount to about...
Stran 140 - The rain quits the ocean as vapour; it returns to it as water. How are the vast stores of heat, set free by the change from the vaporous to the liquid condition, disposed of ? Doubtless in great part they are wasted by radiation into space. Similar remarks apply to the cumuli of our latitudes. The warmed air, charged with...