The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1915 - English periodicals |
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Page 287
... helium . This conclusion was not disproved by previous observations and experiments , for helium was always known to be present when the lines appeared . Bohr also pointed out that the reason why the lines considered are not observed in ...
... helium . This conclusion was not disproved by previous observations and experiments , for helium was always known to be present when the lines appeared . Bohr also pointed out that the reason why the lines considered are not observed in ...
Page 290
... helium . With the con- denser discharge , however , the hydrogen lines usually appear in the bulbs , although they are often not present in the capillary . This was also observed by Curtis * during a research on the band spectrum of helium ...
... helium . With the con- denser discharge , however , the hydrogen lines usually appear in the bulbs , although they are often not present in the capillary . This was also observed by Curtis * during a research on the band spectrum of helium ...
Page 293
... helium lines . The 5411 and the 4542 lines also pass through the capillary spectrum , but their lengths are only about one half that of the ordinary helium lines . The line at 5411 was also found to be more intense and sharper than the ...
... helium lines . The 5411 and the 4542 lines also pass through the capillary spectrum , but their lengths are only about one half that of the ordinary helium lines . The line at 5411 was also found to be more intense and sharper than the ...
Contents
V Raman on Motion in a Periodic Field of Force | 15 |
Messrs W J Jones and J R Partington on the Ideal | 30 |
Messrs W J Jones and J R Partington on a Theory | 35 |
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absorption actinium æther amperes amplitude anemometer approximately assume assumption atomic weight axis bands calculated catenary centre coefficient collisions condensed constant coordinates corresponding cosh curve deflexion denotes density determined displacement distance effect electric electron electron space-lattice electroscope energy equal equation equilibrium experimental experiments expression force formula fraction frequency given gives gravitation heat helium hydrogen hydrogen lines integral ionization ions J. J. Thomson length lines liquid liquid air Lorentz magnetic field magnetic moment magnetons maximum measured metal method molecules motion number of electrons observed obtained orbit paper particles pendulums Phil plane plate positive potential pressure quantity radiation radius ratio rays resonators rotation shown sin² sinh solution spectra spectrum sphere surface tape temperature tension theory thorium tube vapour vector velocity vibration wave-length waves wire zero