RONTGEN RAYS 325 



Secondary Cathode Rays 



DORN, Lorentz Jubilee Volume, p. 595, 1900. 



J. J. Thomson, Proc. Camb. Phil. Soc. 14, 1, p. 109, 1906. 



(Innes, Proc. Roy. Soc. a, 79, p. 442, 1907. 

 Bestelmeyer, Ann. der Phys. 22, p. 429, 1907. 

 Cooksey, Amer. Journ. of Science, Oct. 1907 ; Nature, April 2, 1908. 



Secondary Rontgen Rays 

 BARKLA, Phil. Mag., p. 812, June 1906. 

 Barkla and Sadler, Phil. Mag., p. 408, Sept. 1907 ; Nature, Feb. 13, 1908. 



From Gases 

 Barkla, Phil. Mag. 5, p. 685, 1903 ; 7, p. 543, 1904. 

 Crowther, Phil. Mag. 13, p. 653, 1907. 



Heating Effects of Rontgen Rays 



DORN, JVied. Ann. 63, p. 160, 1897. 



Rutherford and McClung, Phil. Trans, a, 196, p. 25. 1902. 



Angerer, Ann. der Phys. 21, p. 87, 1906. 



Adams, Amer. Acad. Arts and Sciences, 42, p. 671, 1907. 

 (BUMSTEAD, Phil. Mag. 11, p. 292, 1906. 

 ^ Angerer, Ann. der Phys. 24, p. 370, 1907. 

 vBuMSTEAD, Phil. Mag. p. 432, April 1908. 



Polarisation of Rontgen Rays 

 f Barkla, Phil. Trans. A, 204, p. 467 ; Phil. Mag. p. 291, Feb. 1908. 

 \Haga, Ann. der Phys. 23, p. 440, 1907. 



Velocity of Rontgen Rays 



/■Marx, Ann. der Phys. 20, p. 677, 1906. 



\ FRANCK and Pohl, Deutsch. Phys. Gesell. Verh. 10, 5, p. 117, 1908. 



'MARX, Deutsch. Phys. Gesell. Verh. 10, 5, p. 157, 1908. 



Diffraction of Rontgen Rays 



j-Haga and WLND, Wied. Ann. 68, p. 884, 1899. 



\ Wind, Phys. Zeit. 2, p. 292, 1901. 



I Walter and Pohl, Ann. der Phys. 25, 4, p. 715, 1908. 



The Ether Pulse Theory 

 STOKES, Wilde Lecture, Proc. Manchester Lit. and Phil. Soc. 41, July 1897. 

 J. J. Thomson, Conduction of Electricity through Gases, 2nd edit. (Camb. Univ. 



Press), 1906 ; Electricity and Matter (Constable); Proc. Camb. Phil. Soc. 



14, p. 417, 1907. 

 Sommerfeld, Phys. Zeit. (1) p. 105 (2) p. 55, 1900. 

 Campbell, Modern Electrical Theory (Camb. Univ. Press), 1907. 

 Barkla, Phil. Mag., p. 291, Feb. 190S ; Nature, Feb. 6, 1908 : May 7, 1908. 



The Neutral Pair Theory 

 Bragg, Trans. Roy. Soc. South Australia, 31, p. 79, May 1907 ; 31, p. 94, June 



1907 ; Phil. Mag., Oct. 1907 ; Nature, Jan. 23, 1908, April 16, 1908, July 



23, 1908, July 30, 1908. 

 Bragg and Madsen, Trans. Roy. Soc. South Australia, 32, p. 1, Jan. 1908 ; 32, 



p. 1, May 1908. 



