396 PROCEEDINGS OF THE AMERICAN ACADEMY. 



48. Nodon. 



Comptes rendus, 136 5 445 (1903). — Aluminium condenser. 



49. Nodon. 



Electrician, 53, 1037 (1904). — Electrolytes, etc. 



50. Norden. 



Ztsch. f. Elektrochem., 6, 159 (1899); and 6, 188. — Chemical anal- 

 yses and theory. 



51. Norden. 



Electrician, 48, 187 (1901). — Theory. 



52. Oberbeck. 



Wied. Ann., 19, 625 (1883). — Capacity and film thickness. 



53. Peters und Lange. 



Elektrotech. Ztsch., 26, 751 (1905). — Effect of anion. 



54. Pollack. 



Comptes rendus, 124, 1443 (1897). — Descriptive. Efficiencies, etc. 



55. Pollak. 



Ztsch. f. Elektrochem., 4, 70 (1897). — Discussion at Bunsen Soc. 

 meeting. 



56. Roloff und Siede. 



Ztsch. f. Elektrochem., 12, 670 (1906). —Rectifier. 



57. Ruban. 



Journ. Russ. Phys.-Chem. Soc, 39, 116 (1907). — Precipitation films, 

 semi -permeable. 



58. Schultze. 



Drude's Ann., 21, 929 (1906). — Electrolytes, gas-film theory. 



59. Schultze. 



Drude's Ann., 22, 543 (1907). — Electrostatic theory. 



60. Schultze. 



Drude's Ann., 23, 226 (1907). —Tantalum electrodes. 



61. Schultze. 



Drude's Ann., 24, 43 (1907). — Magnesium, antimony, and bismuth 

 electrodes. 



62. Schultze. 



Drude's Ann., 25, 775 (1908). — Niobium electrodes. 



63. Schultze. 



Ztsch. f. Elektrochem., June 19, 1908. — Rectifier, with oscillograms, 

 etc. 



64. Scott. 



Wied. Ann., 67, 388 (1899). — Capacity at low voltages. 



65. Sebor und Simek. 



Ztsch. f. Elektrochem., 13, 113 (1907). —Electrolytes. 



