302 ELECTRICAL MEASUREMENTS 



10. " Thermokraf tf reier Kompensation Apparatus," H. DIESSELHORST, 

 Zeit. fur Instrumentenkunde, vol. 28, 1908, p. 1. 



11. "The Use of the Potentiometer on Alternate Current Circuits," C. V. 

 DRYSDALE, Phil Mag., vol. 17, 1909, p. 402, or Proc. Physical Society of 

 London, vol. 21, 1907-09, p. 561. 



12. LATIMER CLARK, Trans, of the Royal Society, vol. 164, 1874, p. 1. 



13. "Clark and Weston Standard Cells," F. A. WOLFF and C. E. WATERS, 

 Bulletin Bureau of Standards, vol. 4, 1907-08, p. 1. In this paper will be 

 found numerous references to the work of other investigators. 



14. "Announcement of the Change in the Value of the International 

 Volt," Proc. American Institute Electrical Engineers, vol. 30, p. 343. Reprint 

 of Circular No. 29 of the Bureau of Standards. 



