. Archives of physical medicine and rehabilitation . Fig. 237 X-RAYS AND X-RAY APPARATUS-. Is this phenomenon more marked withsome gases than others? A partialanswer to that question is found in theresearch work of the General ElectricalCompany, of Schenectady, and m thatof Mutscheller, of the Wappler ElectricCompany. The former work has shownthat all gases are adsorbed by the glasswalls of a tube, while oxygen and nitro-gen combme with hot tungsten. The ex-periments of Mutscheller have shownthat with the metals copper, iron andaluminum there is less absorption ofnitrogen than of oxygen an
. Archives of physical medicine and rehabilitation . Fig. 237 X-RAYS AND X-RAY APPARATUS-. Is this phenomenon more marked withsome gases than others? A partialanswer to that question is found in theresearch work of the General ElectricalCompany, of Schenectady, and m thatof Mutscheller, of the Wappler ElectricCompany. The former work has shownthat all gases are adsorbed by the glasswalls of a tube, while oxygen and nitro-gen combme with hot tungsten. The ex-periments of Mutscheller have shownthat with the metals copper, iron andaluminum there is less absorption ofnitrogen than of oxygen and concludes, therefore, that nitrogenis the most suitable residual gas, andbecause of such experiments has de-signed the nitrogen tube with thevacuum regulator already this tube, it will be recalled, the gasreleased by the regulating substance isnitrogen. Again, according to Kaye, bulbsoriginally filled with hydrogen, nitrogen,and carbon dioxide show less sputteringthan is the case with air and presum-ably oxygen. Moreover, volatilizationIS much less marked in the
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