Elementary treatise on electricity and magnetism (1903)
Foster, George Carey, 1835-1919, Joubert, Jules François, 1834-1910. Traité élémentaire d'électricité, Porter, Alfred William, 1863- joint author · London, New York, Longmans, Green, and co. · leaf 573
ocal point of the cathode stream. Experiments inwhich the stream fell upon the walls of the vessel showed thatthese walls were then the source of the rays : and the shadows lostin sharpness the greater the area struck. The rays excite fluor-escence, notably in the platinocyanides ; screens of… … Fig. 374. 485] RONTGEN AND BECQUEREL RAYS 551 through the bones. The bony skeleton is thus represented by anon-luminous region on the screen. The position of bullets em-bedded in the tissues can thus be detected, and this method is nowvery largely employed. Although they resemble ultra-violet light…
Electricity · Magnetism
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