Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1863 |
Im Buch
Ergebnisse 1-5 von 19
Seite 160
... spectrum are the cause of their dispersion by the prism . " THE FORMATION OF HALOS . Sir John Herschel has devised an elegant mode of illustrating the action of minute refracting spheres . He mounts the spores of the common puff - ball ...
... spectrum are the cause of their dispersion by the prism . " THE FORMATION OF HALOS . Sir John Herschel has devised an elegant mode of illustrating the action of minute refracting spheres . He mounts the spores of the common puff - ball ...
Seite 163
... SPECTRUM . During the past year , Mr. Kirchhoff has published a complete account of his researches on the " Solar Spectrum and the Spectra of the Chemical Elements , " and the same has been translated into English and published in ...
... SPECTRUM . During the past year , Mr. Kirchhoff has published a complete account of his researches on the " Solar Spectrum and the Spectra of the Chemical Elements , " and the same has been translated into English and published in ...
Seite 164
... spectrum than had been observed by Wollaston . He counted no less than five hundred and ninety of these dark lines , stretching , throughout the length of the spectrum , from red to violet , and in the year 1815 drew a very beautiful ...
... spectrum than had been observed by Wollaston . He counted no less than five hundred and ninety of these dark lines , stretching , throughout the length of the spectrum , from red to violet , and in the year 1815 drew a very beautiful ...
Seite 165
... spectrum , stretching from right to left ; he wished to measure their relative dis- tances , and thus to map them , exactly as the astronomer determines the position of the stars in the heavens , and the surveyor triangulates and marks ...
... spectrum , stretching from right to left ; he wished to measure their relative dis- tances , and thus to map them , exactly as the astronomer determines the position of the stars in the heavens , and the surveyor triangulates and marks ...
Seite 166
... spectrum analysis as applied to the investigation of terrestrial matter , we must remember that the whole subject is as yet in its earliest infancy ; that the methods of research are scarcely known ; and that speculations as to the ...
... spectrum analysis as applied to the investigation of terrestrial matter , we must remember that the whole subject is as yet in its earliest infancy ; that the methods of research are scarcely known ; and that speculations as to the ...
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
acetic acid action alumina ammonia amount aniline animals apparatus appear applied armor-plates astronomer atmosphere body British carbonic acid cast iron cent charcoal chemical cloth color comet containing copper degrees diameter discovery distance earth effect electric English engraving exhibited existence experiments explosion fact feet fibre force furnace heat hundred hydrochloric acid hydrogen inches increased iron lakes light lines liquid London machine magnetism manufacture mass matter ments metal metres miles minute motion naphtha nature nitric acid nitrogen observed obtained organic oxide oxygen paper passed phenomena phosphorus plants plates pollinia portion pounds present pressure produced Prof projectile quantity recently remarkable resistance rifled salt shell ship Shoeburyness shot side solar solid solution specimens spectrum stars steam steel stone strychnia substance sulphuric acid surface target temperature thallium thick tion tons tube vapor velocity vessel weight wrought iron
Beliebte Passagen
Seite 140 - In this ascension, six pigeons were taken up. One was thrown out at the height of three miles ; it extended its wings and dropped...
Seite 171 - In order to explain,' he says, ' the occurrence of the dark lines in the solar spectrum, we must assume that the solar atmosphere encloses a luminous nucleus, producing a continuous spectrum, the brightness of which exceeds a certain limit. The most probable supposition which can be made respecting the sun's constitution is, that it consists of a solid or liquid nucleus, heated to a temperature of the brightest whiteness, surrounded by an atmosphere of somewhat lower temperature. This supposition...