The Spectroscope and Its Applications |
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Page
... flame spectra . 39 42 23. Mitscherlich's arrangement for flame spectra 43 24. Herapath's blow - pipe . 25. Arrangement for determining the spectra of metals by means of the electric spark , showing induction coil , Leyden jar , and ...
... flame spectra . 39 42 23. Mitscherlich's arrangement for flame spectra 43 24. Herapath's blow - pipe . 25. Arrangement for determining the spectra of metals by means of the electric spark , showing induction coil , Leyden jar , and ...
Page 29
... and essential LAPLANTE in a chemical laboratory as a balance . Spectroscopes are. FIG . 16. - Spectroscope with reflected scale . FIG . 23. - Mitscherlich's arrangement for flame spectra . 1. ] 29 AND ITS APPLICATIONS .
... and essential LAPLANTE in a chemical laboratory as a balance . Spectroscopes are. FIG . 16. - Spectroscope with reflected scale . FIG . 23. - Mitscherlich's arrangement for flame spectra . 1. ] 29 AND ITS APPLICATIONS .
Page 32
... flame ; the light passing from the photographic scale is rendered parallel and thrown on the surface of the prism by means of a lens in the tube , carrying the scale , and is reflected by the last surface of the prism up the observing ...
... flame ; the light passing from the photographic scale is rendered parallel and thrown on the surface of the prism by means of a lens in the tube , carrying the scale , and is reflected by the last surface of the prism up the observing ...
Page 41
... flame , I show you the spectrum of a light source which is coloured . If , for instance , we burn some coloured fire , such as the red fire of our pyrotechnic displays . You must not consider that this is sensational , for Sir John ...
... flame , I show you the spectrum of a light source which is coloured . If , for instance , we burn some coloured fire , such as the red fire of our pyrotechnic displays . You must not consider that this is sensational , for Sir John ...
Page 42
... flame which is con- suming a mixture of air and gas , in a burner known under the name of a Bunsen's burner ( Fig . 22 ) , the bluish flame of which is due to the complete com- bustion due to the greater supply of air from the holes at ...
... flame which is con- suming a mixture of air and gas , in a burner known under the name of a Bunsen's burner ( Fig . 22 ) , the bluish flame of which is due to the complete com- bustion due to the greater supply of air from the holes at ...
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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.