The Construction and Use of Oscillation Valves for Rectifying High-Frequency Electric Currents (Fleming) AND Secondary Röntgen radiation (Barkla) in The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science 11, 1906, pp. 659– 665; 812-828 [SECOND APPEARANCE IN PRINT]
2nd APPEARANCE IN PRINT OF TWO IMPORTANT PAPERS, FLEMING ON HIS VALVE & BARKLA’S 1st IN-DEPTH PAPER SHOWING THAT X-RAYS SCATTERED BY VARIOUS ELEMENTS PRODUCED BEAMS OF CHARACTERISTIC PENETRATION. Both papers were first read before The Physical Society of London on 23 March 1906; each was then printed in the..... More