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 569
ned lines chai-acteristic of the substance struck. This is especially so in the case of the rare earths, and a very sensitive method for their detection has been founded by Orookes upon this property. If objects be interposed in the paths of the stream, a sharpshadow is cast on the walls of the…
Electricity · Magnetism
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