The Spectroscope and Its Applications |
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... Analysis , " to which admirable work the present small volume will , I trust , be found useful as an introduction . My acknowledgments are also due to Professor Pedler , both for aid in the experimental illustrations when the Lectures ...
... Analysis , " to which admirable work the present small volume will , I trust , be found useful as an introduction . My acknowledgments are also due to Professor Pedler , both for aid in the experimental illustrations when the Lectures ...
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... analysis , 51. - Its discovering power , 52. - Use of the spectroscope in arts and manufactures , 55 . -Spectroscope applied to the heavenly bodies , 57. - Star and sun spectroscopes , 58. — Spectra of the sun and stars , 63. - Spectra ...
... analysis , 51. - Its discovering power , 52. - Use of the spectroscope in arts and manufactures , 55 . -Spectroscope applied to the heavenly bodies , 57. - Star and sun spectroscopes , 58. — Spectra of the sun and stars , 63. - Spectra ...
Page 19
... analysis ; for no sooner had Dr. Wollaston examined the sunlight with the new arrangement , as Newton had done a century and a quarter before with the old one , than he found out that it was not at all as Newton had represented it ...
... analysis ; for no sooner had Dr. Wollaston examined the sunlight with the new arrangement , as Newton had done a century and a quarter before with the old one , than he found out that it was not at all as Newton had represented it ...
Page 35
... analysis , espe- cially to the microscope and telescope , this modifi- cation -- due to M. Janssen , the well - known astronomer , who was the first to bring it into general notice — is one of great practical importance , so that in any ...
... analysis , espe- cially to the microscope and telescope , this modifi- cation -- due to M. Janssen , the well - known astronomer , who was the first to bring it into general notice — is one of great practical importance , so that in any ...
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Common terms and phrases
absorption lines absorption spectrum Aldebaran application arrangement astronomers atmosphere band black lines blue bright lines Bunsen chromosphere coincident collimating lens colour comet continuous spectrum dark lines deal dense determine direct-vision dispersion electric lamp examine experiment F line fact flame Fraunhofer lines gas or vapour gaseous gases give glass green Huggins hydrogen lines important Induction Coils instance instrument iron Kirchhoff lens line of hydrogen lithium magnesium vapour metal minimum deviation nebula Newton NORMAN LOCKYER number of prisms observing telescope obtained Orionis pass perfectly easy pressure Professor prominences radiation rainbow band ray of light refracted refrangibility Science scientific seen showing shown in Fig slit sodium lines sodium vapour solar prominences solar spectrum solid or liquid spec spectra spectrum analysis Spectrum of carbon star spectroscope strontium substances sun-spot sunlight surface thing three prisms trum tube velocity violet visible white light Wollaston yellow
Popular passages
Page 96 - When this light was allowed to fall through a suitable flame coloured by common salt, dark lines were seen in the spectrum in the position of the sodium lines.
Page 94 - 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.