INDUCTANCE AND CAPACITY 443 



27. "The Dead Points of a Galvanometer Needle for Transient Currents," 

 ALEXANDER RUSSELL, Proc. Physical Society of London, vol. 20, 1905-07, 

 p. 235. 



28. "On a Sine Wave Electrical Oscillator of the Organ Pipe Type," 

 F. K. VREELAND, Physical Review, vol. 27, 1908, p. 286. 



29. "Ein Empfindlicher Tourenregler fur Elektromotoren," E. GIEBE, 

 Zeit. fur Instrumentenkunde, vol. 29, 1909, p. 205. London Electrician, 

 vol. 64, 1909-10, p. 509. 



30. "Das Telephon als optischer Apparat zur Strommessung," MAX 

 WIEN, Annalen der Physik, vol. 42, 1891, p. 593; vol. 44, 1891, p. 681. 

 "Messung der Inductionsconstanten mit dem optische Telephon," MAX 

 WIEN, Annalen der Physik, vol. 44, 1891, p. 689. " Vibrationsgalvanometer," 

 H. RUBENS, Annalen der Physik, vol. 56, 1895, p. 27. "Ueber die Erzeugung 

 und Messung von Sinustromen. Part C. Mess-instrumente fur schnelle 

 Sinusstrome," MAX WIEN. Annalen der Physik, vol. 4, 1901, p. 439. 

 "Note on the Vibration Galvanometer," ROY P. WELLS, Physical Review, 

 vol. 23, 1906, p. 504. "On the Measurement of Mutual Inductance by 

 Aid of the Vibration Galvanometer," A. CAMPBELL, Electrician, vol. 60, 

 1907-08, p. 60; Philosophical Magazine, vol. 14, 1907, p. 494. "A Magnetic 

 Shunt Vibration Galvanometer," HENRY TINSLEY, London Electrician, 

 vol. 69, 1912, p. 939. "Characteristics and Applications of Vibration 

 Galvanometers," FRANK WENNER, Transactions of the American Institute 

 of Electrical Engineers, vol. 31, 1912, p. 1243. "On a Bifilar Vibration 

 Galvanometer," W. DUDDELL, Proceedings of the Physical Society of London, 

 vol. 21, 1907-08, p. 774. 



31. "Theoretical and Experimental Study of the Vibration Galva- 

 nometer," FRANK WENNER, Bulletin of the Bureau of Standards, vol. 6, 

 1909-10, p. 347. " The Maximum Sensibility of a Duddell Vibration Galva- 

 nometer," H. F. Haworth, Proceedings of Physical Society of London, vol. 

 24, 1912, p. 230. "On the Vibration Galvanometer and Its Application to 

 Inductance Bridges," S. BUTTER WORTH, Proceedings of the Physical Society 

 of London, vol. 24, 1912, p. 75. 



