Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 157
ists (the Faraday dark space).As the pressure of the gas is made still smaller the striae disappear,the luminosity of the positive column decreases, while a second darkspace (the Crookes apace) is seen to separate the velvet glow from thenegative terminal; the size of this space increases as the… … 134 EFFECTS OF THE DISCHARGE L94- Fiivadaj space. At the same time, especially if the terminal beconcave, a stream of blue light (or green light if the gas is ladenwith mercury vapour) emanates in straight lines from the electrode,traverses the dark space and negative glow, and excites…
Electricity · Magnetism
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