274 



H. Baumhauer. 



Observations with a Blende Screen. 



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Present State of the N-ray Question. 



Arcliives d' El Medicale 12. pp. 373-382, May 25. and pp. 407-410, 

 June 10. 1904. 



E. Salvioni. 

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Accad. Lincii Atti 13. pp. 610-C16. June 4, and pp. 703-706, June 19, 

 1904. 

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Blondlofs X-ray Experiments. 



Nature G9, p. 272, Jan. 21, 19U4. 

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Nature G9, p. 412, March 3. 1904. 

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Blondlot's N-rays. 



Nature G9, p. 296, Jan. 28, 1904. 

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Various Radiations. 



Elect. World and Eng. 43, p. 310, Feb. 13. 1904. 

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Blondlot's N-rays. 



Nature 69, p. 365. Feb. IS, 1904. and Nature 70, p. 198. June 30, 1904. 

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Nature 69, pp. 486-487, March 24, 1904. 

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 Blondlot's N-rays. 



Nature 69, p. 534, April 7. 1904. 



F. E. Hackett. 

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Roy. Dul)lin Soc. Tans. 8. 10, pp. 127-138. Sept.. 1904. 

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Nature 70. p. 530. Sept. 29, 1904. 



