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" I obtained a tolerably bright solar spectrum, and brought a flame coloured by sodium vapour in front of the slit. I then saw the dark lines D change into bright ones. "
Nature - 89. oldal
Szerkesztette: - 1873
Teljes nézet - Információ erről a könyvről

The Spectroscope and Its Applications

Sir Norman Lockyer - 1873 - 146 oldal
...the coincidence of the sodium lines with the lines D " — (that is to say, of the bright double line of sodium in the yellow part of the spectrum, with...of the sodium which was burning in the flame were bright lines so exactly coincident with the two dark lines in the solar spectrum, that the bright lines...

Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1873 - 542 oldal
...manner possible the frequently asserted fact of the coincidence of the sodium lines with the lines D, I obtained a tolerably bright solar spectrum, and...then saw the dark lines D change into bright ones. The flame of a Bunseu's lamp threw the bright sodium lines upon the solar spectrum with unexpected...

Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1873 - 552 oldal
...lines D, I obtained a tolerably bright solar spectrum, and brought a name coloured by sodium vapour iu front of the slit. I then saw the dark lines D change into bright ones. The flame of a Bunsen's lamp threw the bright sodium lines upon the solar spectrum with unexpected...

Spectrum analysis, 6 lects

sir Henry Enfield Roscoe - 1873 - 550 oldal
...manner possible the frequently asserted fact of the coincidence of the sodium lines with the lines D, I obtained a tolerably bright solar spectrum, and brought a flame coloured by sodium vapour iu front of the slit I then saw the dark lines D change into bright ones. The flame of a Bunseu's lamp...

The Sun: Ruler, Fire, Light, and Life of the Planetary Systems

Richard Anthony Proctor - 1876 - 586 oldal
...possible,' he says, ' the frequently asserted fact of the coincidence of the sodium lines with the lines u, I obtained a tolerably bright solar spectrum, and...vapour in front of the slit. I then saw the dark lines u change into bright ones. The flame of a Bunsen's lamp threw the bright sodium lines upon the solar...

A Handbook of Descriptive Astronomy

George Frederick Chambers - 1877 - 968 oldal
...manner possible the frequently asserted fact of the coincidence of the sodium lines with the lines D, I obtained a tolerably bright solar spectrum, and...then saw the dark lines D change into bright ones. The flame of a Bunsen's lamp threw the bright sodium lines upon the solar spectrum with unexpected...

Cyclopædic science simplified

John Henry Pepper - 1877 - 764 oldal
...the frequently asserted fact of the coincidence of the sodium lines with the lines D (Frauenhofer), I obtained a tolerably bright solar spectrum, and...vapour in front of the slit. I then saw the dark lines r> change into bright ones. The name of a Bunsen's lamp threw the bright sodium lines upon the solar...

Physiography and Physical Geography: With Special Reference to the ...

Alexander Mackay - 1877 - 184 oldal
...determined to inquire whether this coincidence was exact. Having obtained a bright solar spectrum, he brought a flame, coloured by sodium vapour, in front of the slit, and then saw to his astonishment that the dark lines D changed into bright ones. Here he had shining...

The Canadian Monthly and National Review, 13. kötet

1878 - 720 oldal
...the coincidence was exact. He says : " I obtained a tolerably bright solar spectrum, and brought the flame coloured by sodium vapour in front of the slit. I then saw the dark lines D changed into bright ones." The coincidence was exact. He then varied the experiment. ' In order," he...

The Canadian Monthly and National Review, 13. kötet

Graeme Mercer Adam, George Stewart - 1878 - 726 oldal
...coincidence was exact. He says : " I obtained a tolerably bright solar spectrum, and brought the j frame coloured by sodium vapour in front of the slit. I then saw the dark lines D changed into bright ones." The coincidence was exact. He then varied the experiment. ' In order," he...




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