MORSE AND SHUDDEMAGEN. — AN ALUMINIUM ANODE. 395 



30. Graetz. 



Wied. Ann., 62, 323 (1897). — Aluminium rectifier. 



31. Graetz. 



L'Eclair, Electr., 14, 289 (1897). — Efficiency, etc., of rectifier. 



32. Grisson. 



Elektrotech. Ztsch., 24, 432 (1903). — New form for aluminium 

 rectifier. 



33. Guthe. 



Phys. Rev., 15, 327 (1903). — Ionic concentration theory. 



34. Haagn. 



Ztsch f. Phys. Chem., 23, 119 (1897). — Describes aluminium con- 

 denser. 



35. Haagn. 



Ztsch. f. Elektrochem., 3, 470 (1896). — Aluminium anode. 



36. Hopkinson, Wilson, and Lydall. 



Proc. Roy. Soc, 54, 407. — Application of electrolytic condensers. 



37. Isenburg. 



Ztsch. f. Elektrotech., 9, 278 (1903). —Counter e. m. f. and die- 

 lectric insulating film. 



38. Jacobs. 



Electrolytische Gleichrichter. (Book.) Sammlung Elektrotech- 

 nischer Vortrage, No. 9. 



39. Laurie. 



Phil. Mag., (5), 22, 213 (1886). — Nature of film. 



40. Lecher. 



Wien. Akad. Ber., 107, 2a, 739 (1898). — Aluminium anode in 

 alum solution. 



41. Liebenow. 



Ztsch. f. Elektrochem., 10, 944 (1904). — Note on aluminium con- 

 densers in series and parallel. 



42. Maresca. 



N. Cimento, 12, 155 (1906). — Magnesium anode. 



43. Mitkiewicz. 



Phys. Ztsch., 2, 747 (1901). — Rectifier in three-phase work, etc. 



44. Mott. 



Electrochem. Industry, 2, 268 (1904). 



45. Mott. 



Electrochem. Ind., 2, 352 (1904). — Thickness and nature of film. 



46. Naccari. 



Atti di Torino., 36, 790 (1901). — Polarization on aluminium 

 anode. 



47. Neyreneuf. 



Journ. de Phys., (2), 7, 250 (1888). — Suggests rectification. 



